---
product_id: 542265077
title: "Osprey Siskin 8L Men's Biking Backpack with Hydraulics Reservoir, Postal Blue"
brand: "osprey"
price: "857.15 DT"
currency: TND
in_stock: true
category: "Osprey"
url: https://www.desertcart.tn/products/542265077-osprey-siskin-8l-mens-biking-backpack-with-hydraulics-reservoir-postal
store_origin: TN
region: Tunisia
---

# 2.5L Hydration Reservoir Helmet Carry Compression Straps Stable Ride Harness Osprey Siskin 8L Men's Biking Backpack with Hydraulics Reservoir, Postal Blue

**Brand:** osprey
**Price:** 857.15 DT
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Stay hydrated, ride stable, and own the trail with the Siskin 8L!

## Quick Answers

- **What is this?** Osprey Siskin 8L Men's Biking Backpack with Hydraulics Reservoir, Postal Blue by osprey
- **How much does it cost?** 857.15 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/542265077-osprey-siskin-8l-mens-biking-backpack-with-hydraulics-reservoir-postal)

## Best For

- osprey enthusiasts

## Why This Product

- Trusted osprey brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Helmet Ready:** Versatile LidLock system fits traditional or full-face helmets with secure compression straps.
- • **Ride Rock-Solid:** Soft-edged, rolled harness ensures unbeatable comfort and stability during every pedal stroke.
- • **Hydrate Like a Pro:** Includes Osprey Hydraulics LT 2.5L reservoir with magnetic bite valve for quick, hands-free sips on the go.
- • **Organized for Action:** Full U-zip main compartment plus front shove-it pocket keeps tools and essentials perfectly sorted.
- • **Lightweight & Durable:** Crafted from rugged nylon at just 1.6 lbs, built to endure your toughest rides without weighing you down.

## Overview

The Osprey Siskin 8L Men's Biking Backpack in Postal Blue is a lightweight, durable cycling pack featuring a 2.5L Hydraulics LT reservoir with magnetic bite valve, a stable and breathable harness system, and versatile helmet carry options. Designed for mountain bikers seeking comfort, organization, and hydration on every ride.

## Description

Designed for discerning mountain bikers looking for a do-it-all pack, the 8-liter Siskin provides a stable, breathable and highly-comfortable carry. A next-gen reservoir provides plenty of hydration for your biggest rides and features like a separate main compartment and LidLock helmet carrier give it all-day versatility.

## Features

- Reservoir Included - Comes with an Osprey Hydraulics LT 2.5 L reservoir with direct zip access and sternum strap magnetic bite valve attachment. Hydraulics Quick Connect sold separately
- Ride Stability - A rolled, soft-edged harness creates a comfortable and stable carry
- Helmet Carry - Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
- Bike-Focused Features - Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
- Front fabric shove-it pocket
- Item Dimensions: 18.5H x 8.7W x 6.9D in; Item Weight: 1.65lb

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BTQWH6DN |
| Best Sellers Rank | #914,777 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,845 in Hydration Packs |
| Brand | Osprey |
| Brand Name | Osprey |
| Capacity | 2.5 liters |
| Color | Postal Blue |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Included Components | 1 Siskin w/Res |
| Item Dimensions W x H | 8.5"W x 18.5"H |
| Item Type Name | Siskin 8 w/Res Postal Blue O/S |
| Item Weight | 1.6 pounds |
| Manufacturer | Osprey |
| Manufacturer Part Number | 10005101 |
| Material | Nylon |
| Material Type | Nylon |
| Model Number | 10005101 |
| Number of Items | 1 |
| Pocket Description | Main compartment (Utility Pocket), Reservoir pocket (Stash Pocket) |
| Product Dimensions | 8.5"W x 18.5"H |
| Sport | Cycling |
| Sport Type | Cycling |
| Strap Type | Shoulder Strap |
| Tank Volume | 2.5 liters |
| UPC | 843820159912 |
| Unit Count | 1 Count |
| Warranty Description | All Mighty Guarantee |

## Product Details

- **Brand:** Osprey
- **Color:** Blue
- **Material:** Nylon
- **Sport:** Cycling
- **Strap Type:** Shoulder Strap

## Images

![Osprey Siskin 8L Men's Biking Backpack with Hydraulics Reservoir, Postal Blue - Image 1](https://m.media-amazon.com/images/I/61djrtbIrKL.jpg)
![Osprey Siskin 8L Men's Biking Backpack with Hydraulics Reservoir, Postal Blue - Image 2](https://m.media-amazon.com/images/I/71h+PCMdLuL.jpg)

## Frequently Bought Together

- OspreySiskin 8 w/Res Ultimate Red O/S
- Osprey Hydraulics Water Reservoir Cleaning Kit

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**Shop now:** [https://www.desertcart.tn/products/542265077-osprey-siskin-8l-mens-biking-backpack-with-hydraulics-reservoir-postal](https://www.desertcart.tn/products/542265077-osprey-siskin-8l-mens-biking-backpack-with-hydraulics-reservoir-postal)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-19*