--- product_id: 34519510 title: "Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx" brand: "cosco" price: "2790.18 DT" currency: TND in_stock: false reviews_count: 13 url: https://www.desertcart.tn/products/34519510-cosco-mighty-fit-65-dx-convertible-car-seat-heather-onyx store_origin: TN region: Tunisia --- # Convertible rear & forward modes Lightweight 12.76 lbs Built-in side-impact protection Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx **Brand:** cosco **Price:** 2790.18 DT **Availability:** ❌ Out of Stock ## Summary > 🛡️ MightyFit 65 DX: Safety, comfort, and convenience that grows with your child! ## Quick Answers - **What is this?** Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx by cosco - **How much does it cost?** 2790.18 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/34519510-cosco-mighty-fit-65-dx-convertible-car-seat-heather-onyx) ## Best For - cosco enthusiasts ## Why This Product - Trusted cosco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Space-saving design:** Compact rear-facing size frees up front legroom & fits 3 across most back seats - • **Easy-care premium fabric:** Machine washable & dryer safe for stress-free cleanup - • **Fits from newborn to toddler:** Supports 5-65 lbs with rear (5-40 lbs) and forward-facing modes - • **Travel-ready & aircraft certified:** Lightweight and FAA-approved for seamless family adventures - • **Effortless front harness adjustment:** 5 heights & 3 buckle positions adjustable from the front for perfect fit ## Overview The Cosco Mighty Fit 65 DX Convertible Car Seat is a versatile, FAA-approved child safety seat designed for infants and toddlers from 5 to 65 pounds. Featuring a compact rear-facing profile that maximizes legroom and fits three seats side-by-side, it offers built-in side-impact protection and a 5-point harness adjustable from the front. Lightweight and easy to install, its plush, machine-washable fabric ensures comfort and convenience for busy families on the go. ## Description Get the car seat that’s designed with your family’s real life in mind. The Cosco Kids™ MightyFit™ 65 DX Convertible Car Seat keeps your child safer in the car all the way from 5-65 pounds. It’ll keep your baby comfortably rear facing up to 40 pounds, and then transitions to forward-facing mode up to 65 pounds.Not too big and not too small, the MightyFit 65 DX is designed to be the right size. In rear-facing mode, it takes up less room, which gives parents more leg room in the front seats. The car seat will also fit three across the back seat of most vehicles, which is great for growing families.MightyFit 65 DX keeps kids safer with Side Impact Protection built right in, and a 5-point harness that adjusts easily from the front of the seat. The harness features 5 heights and 3 buckle locations so you can be sure you’re giving the best fit to your growing child.The MightyFit 65 DX Convertible Car Seat is mighty comfortable for kids and convenient for parents too. Kids will love the plush padding and deluxe materials that give them an extra comfy ride. You'll love that the fabric is both machine washable and dryer safe, making this seat super easy to clean when messes happen.If your chosen vehicle happens to be an airplane, this convertible car seat has got you covered. Certified for use on aircraft, it gives your child a familiar seat during the flight. Its compact design also makes it easier to manage through airport security checks.The MightyFit 65 DX is proudly made by Cosco Kids™ in Columbus, Indiana. Made by American families for American families. Review: This seat is everything I had on my check list..... - I bought this car seat based on design and price. I did quite a bit of research both online, reading reviews, and in stores. I couldn't believe how expensive car seats are - going up to $300! With twins I needed something reasonable. The first feature I was looking for was a design that they would be able to sleep in without their head falling forward. My 15 month old twins do a lot of sleeping in their car seats. I wanted a well padded seat. I wanted a simple design, especially one that would be easy to keep clean. I wanted a compact car seat. And I wanted it to fit up to 65 lb. So there was my check list. This seat checks every box. It is everything I was hoping for. My babies really like their new seats and being able face forward and look out the window. The seats are well padded and comfy. They are compact. They are a no fuss design, simple to use. And my babies are able to sleep in them! The one tip of advice I would give though: in order for my babies to sleep in them comfortably without their head going forward, I pulled the car seat forward on the seat and folded in the back stabilizing bar. The first time I used the seat with it all the way upright and against the back of the seat,their heads did flop forward when they went to sleep. But with it pulled forward the angle is perfect now. The cover is easy enough to take on and off for cleaning and I love that I can just throw the whole thing in the wash. And they are affordable! If you're looking for a simple and comfy chair, this one fits the bill. Review: Lightweight, easy to install, and spacious—great for travel! - I purchased this car seat for our little one specifically for travel, and it’s been a fantastic choice. Key Features Lightweight: This car seat is incredibly lightweight, which makes it perfect for travel. It’s easy to haul around without too much effort. Quick Installation: Installing it front-facing is super quick and simple, which is a big win when hopping in and out of Ubers or rental cars. I haven’t tried rear-facing, so I can’t comment on that, but the ease of front-facing installation is a huge plus for us. Spacious: The seat is very roomy, which works well for our ever-growing toddler. It’s comfortable and gives them plenty of space without feeling cramped. Ease of Cleaning The cover is easy to remove, which makes cleaning straightforward. However, since it isn’t water-resistant, you’ll need to plan for drying time if there are accidents and you don’t have access to a dryer. ## Features - With two modes of use, this extra-comfortable LATCH-equipped Cosco Kids car seat accommodates infants from 5 pounds up to toddlers weighing 40 pounds in rear-facing mode and kids up to 65 pounds in forward-facing mode. - The five-point harness adjusts easily from the front of the seat and features five heights and three buckle locations. - Built-in side-impact protection keeps your little one extra secure. Designed to be just the right size, the seat takes up less space while rear-facing so parents can have more leg room. - Three of these seats can fit side-by-side in the back seat of most cars, perfect for growing families. - With plush padding and premium fabric, this seat gives your child an extra-comfy ride. Easy to clean, the fabric car seat cover is machine-washable and dryer-safe. - This car seat meets or exceeds federal, ASTM, and JPMA safety standards and includes a one-year limited warranty. - For more than 70 years, Cosco Kids has been a leading children’s products brand recognized for its dedication to safety and value. From bouncers to car seats, swings to strollers, and high chairs to play yards, Cosco Kids's essential baby products feature solid value and smart design. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01ETUBQZ4 | | Age Range Description | Less than 18 months | | Best Sellers Rank | #43,540 in Baby ( See Top 100 in Baby ) #87 in Convertible Child Safety Car Seats | | Brand | Cosco | | Color | Onyx | | Customer Reviews | 4.4 out of 5 stars 2,934 Reviews | | Forward Facing Maximum Weight | 65 pounds | | Forward Facing Minimum Weight | 22 pounds | | Global Trade Identification Number | 00884392609382 | | Harness Type | 5-Point | | Installation Type | Latch | | Item Dimensions D x W x H | 17"D x 22"W x 23.5"H | | Item Weight | 5.8 kg | | Manufacturer | Cosco | | Material | Fabric | | Material Type | Fabric | | Maximum Height Recommended | 30.5 inches | | Maximum Weight Recommendation | 40 pounds | | Minimum Height Recommendation | 19 inches | | Minimum Weight Recommendation | 5 pounds | | Model Number | CC173EEN | | Number of Height Positions | 5 | | Orientation | Forward Facing, Rear Facing | | Part Number | CC173EEN | | Product Dimensions | 17"D x 22"W x 23.5"H | | Rear Facing Maximum Weight | 40 pounds | | Rear Facing Minimum Weight | 5 pounds | | UPC | 884392609382 | | Unit Count | 1 Count | ## Product Details - **Brand:** Cosco - **Color:** Onyx - **Installation Type:** Latch - **Material:** Fabric - **Orientation:** Forward Facing, Rear Facing ## Images ![Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - Image 1](https://m.media-amazon.com/images/I/812sCyl5SUL.jpg) ![Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - Image 2](https://m.media-amazon.com/images/I/81aWi1B+0SL.jpg) ![Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - Image 3](https://m.media-amazon.com/images/I/61tYxXIVkqL.jpg) ![Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - Image 4](https://m.media-amazon.com/images/I/81oMxtrn90L.jpg) ![Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - Image 5](https://m.media-amazon.com/images/I/8191lKaznEL.jpg) ## Questions & Answers **Q: Which is better for air travel, mightyfit 65 or scenera next?** A: I have traveled with might fit 65 internationally and it's fine. The seat is very light weight, but scenera is lighter. However, I gate checked the mightyfit on my return trip and the seat had minor cracks. But that's on the airline and me, any car seat is prone to damage because of mishandling. **Q: Will this fit 3 across in a 2016 Dodge Caravan?** A: I think it would. It leaves enough space in the back of my Rogue for an adult to sit between it and the booster seat for my older child. I used to have a caravan and there was a lot more seat space in it. **Q: Can this seat be used in the middle of the backseat?** A: Yes **Q: How does the cover attach? Does it have those super annoying elastic strings to keep the cover in place? Those always stretch out and fail!** A: Thank you for your question. The cover on the Cosco Mighty Fit 65 DX Convertible Car Seat attaches with elastic straps. ## Customer Reviews ### ⭐⭐⭐⭐⭐ This seat is everything I had on my check list..... *by V***A on May 1, 2018* I bought this car seat based on design and price. I did quite a bit of research both online, reading reviews, and in stores. I couldn't believe how expensive car seats are - going up to $300! With twins I needed something reasonable. The first feature I was looking for was a design that they would be able to sleep in without their head falling forward. My 15 month old twins do a lot of sleeping in their car seats. I wanted a well padded seat. I wanted a simple design, especially one that would be easy to keep clean. I wanted a compact car seat. And I wanted it to fit up to 65 lb. So there was my check list. This seat checks every box. It is everything I was hoping for. My babies really like their new seats and being able face forward and look out the window. The seats are well padded and comfy. They are compact. They are a no fuss design, simple to use. And my babies are able to sleep in them! The one tip of advice I would give though: in order for my babies to sleep in them comfortably without their head going forward, I pulled the car seat forward on the seat and folded in the back stabilizing bar. The first time I used the seat with it all the way upright and against the back of the seat,their heads did flop forward when they went to sleep. But with it pulled forward the angle is perfect now. The cover is easy enough to take on and off for cleaning and I love that I can just throw the whole thing in the wash. And they are affordable! If you're looking for a simple and comfy chair, this one fits the bill. ### ⭐⭐⭐⭐⭐ Lightweight, easy to install, and spacious—great for travel! *by L***E on January 13, 2025* I purchased this car seat for our little one specifically for travel, and it’s been a fantastic choice. Key Features Lightweight: This car seat is incredibly lightweight, which makes it perfect for travel. It’s easy to haul around without too much effort. Quick Installation: Installing it front-facing is super quick and simple, which is a big win when hopping in and out of Ubers or rental cars. I haven’t tried rear-facing, so I can’t comment on that, but the ease of front-facing installation is a huge plus for us. Spacious: The seat is very roomy, which works well for our ever-growing toddler. It’s comfortable and gives them plenty of space without feeling cramped. Ease of Cleaning The cover is easy to remove, which makes cleaning straightforward. However, since it isn’t water-resistant, you’ll need to plan for drying time if there are accidents and you don’t have access to a dryer. ### ⭐⭐⭐⭐ great buy if you can stomach some inconvenience *by A***S on March 25, 2018* Love this car seat for the most part. I have one in each of my cars. It's pretty decent for the money. It's narrow so it takes up less space in my forester, allowing two to ride in the back with the seat. It was a huge upgrade in comfort when we got it when my son was two and is nicely padded. It's pretty easy to take apart and wash, way more so than the graco infant seat I had before (and my son is a puker, so I've done that a lot) and so far it seems to wash well. It does have some drawbacks, however. The buckles are pretty stiff and a challenge to get undone at times. I've had my other one for a year and it doesn't get better with use. There is also a serious learning curve when it comes to installing it rear-facing. The first time is kind of a nightmare, once you get the belt adjusted, it gets much better. It's a challenge to even figure out how to do that however since the instructions for rear-facing seemed to me to be almost non-existent. At a certain point I thought I had made a horrible mistake and inadvertently gotten a forward-facing only seat. I think the forward facing installation was much more thought out, because it has s much easier. The weird thing with this particular color is also that it is getting weird darkish patches as I wash it. Not like stains, but like the dye is washing out. It's starting to look kind of bad. But ultimately it's a very good car seat for the money. I'm not looking to switch any time soon and I have bought two! UPDATE: I've had this seat for about a year now and my little one finally maxed out the rear facing so we flipped him forward facing. WOW. I love this car seat so much more. It is a breeze to install forward facing and fits nicely in both our Enclave and Forester seats. its secure with seat belt or anchors and is still comfortable. If you are buying for a forward facing kid, it is so much more convenient. ## Frequently Bought Together - Cosco Mighty Fit 65 DX Convertible Car Seat, Heather Onyx - YOREPEK Padded Car Seat Travel Bag Backpack for Airplane, Heavy Duty Car Seat Bags for Air Travel, Carseat Cover for Airplane Travel with Shoulder Strap, Car Seats Carrier for Airport, Black - Cosco Kids Finale DX 2-in-1 Booster Car Seat, Forward Facing Toddler Car Seat (30-65 lbs) and Belt Positioning High Back Booster Seat (40-100 lbs), Rainbow --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/34519510-cosco-mighty-fit-65-dx-convertible-car-seat-heather-onyx](https://www.desertcart.tn/products/34519510-cosco-mighty-fit-65-dx-convertible-car-seat-heather-onyx) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-11-11*