1.) Are these truly SFP50+, have they been independantly verified with an official testing company?

I am sure if they have been verified but they surely work against UV rays. I have been using them for sometime now. My only issue was with the quality of workmanship.

Is this suitable for very thin arms?

Dear Customer, Thank you for your inquiry. Yes, those arm sleeves are suitable for most people. They are suitable for very thin arms. Please feel free to try our arm sleeves. Sincerely, Beister Customer Service

How long does the uv protection last.

Dear customer, Thank you for your question. In the sixth picture there are detailed arm sleeves long suggestions. You can use it as a reference. We suggest man choose L size. Hope to solve your question. If you have any further inquiries, please be free to contact us. Moinca Beister Customer Service

Why does it say 6 pair then when you add it to the cart it says 3 pair ?

Haven't noticed. It was 3 pairs. Same colors as the pic

Beister Uv Cooling Arm Sleeves Upf 50 Sun Protection 3

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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92.17 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Cool, Covered, Confident — Your Ultimate UV Armor

SWEAT NO STRESS - High-performance moisture-wicking tech rapidly dries sweat, so your skin stays dry and breathable.
MAXIMUM UV DEFENSE - Blocks 97% of UVA/UVB rays with UPF 50+ protection—ditch the sunscreen anxiety.
ALL DAY COMFORT FIT - Seamless, stretchy nylon-spandex blend with non-slip bands ensures zero slip and no arm imprint.
STAY COOL UNDER PRESSURE - Advanced cooling fabric lowers skin temperature by up to 5°C, keeping you fresh in blazing heat.
VERSATILE ACTIVEWEAR ESSENTIAL - Perfect for cycling, golf, running, hiking, or even office hours—sun protection meets style.

The beister UV Cooling Arm Sleeves combine UPF 50+ sun protection with a breathable, moisture-wicking nylon-spandex fabric that cools skin by up to 5°C. Designed with seamless stretch and non-slip bands, these unisex sleeves offer all-day comfort and reliable coverage for outdoor sports and daily wear, blocking 97% of harmful UVA/UVB rays while keeping you dry and comfortable.

Specifications

ASIN	B0F8QV64XB
ASIN	B07S9YJJG2
Age Range Description	Adult
Apparel Fabric Stretch	High Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	36,213 in Fashion ( See Top 100 in Fashion ) 11 in Men's Arm Warmers
Brand Name	beister
Colour	3 Pairs Black+white+grey(without FASHION)
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (3,596)
Customer reviews	4.2 4.2 out of 5 stars (3,596)
Date First Available	27 May 2019
Department	Women's
Fabric Type	Cotton fiber, Spandex
Item Highlight	Breathable Soft Fabric Blocks 97% UV, Cools Skin 5°C. Non-Slip with Finger Holes for Running, Golf, Cycling & Driving.
Item Type Name	Arm Sleeves
Manufacturer	beister
Manufacturer	Beister
Model Number	BI-AS-011-3P-J-2-F
Number of Items	3
Part Number	BI-AS-011-3P-J-2-F
Pattern	Solid
Product Care Instructions	Hand Wash
Product Style	sport
Size	One Size
Unit Count	6.0 count

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