Zacro Hydration Backpack, Lightweight Hiking Backpack with 2L TPU Water Bladder, Water Backpack for Running Hiking Biking Climbing and Motorcycle, Upgraded Leak Proof Hydration Pack for Men & Women #black friday Gel + Memory Foam Filling

Gel + Memory Foam Filling - Strict Quality Control : All bike seats cover are comprehensively and strictly tested before selling

rainproof and rustless

6 inch in overall width

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Zacro Hydration Backpack, Lightweight Hiking Backpack with 2L TPU Water Bladder, Water Backpack for Running Hiking Biking Climbing and Motorcycle, Upgraded Leak Proof Hydration Pack for Men & Women #black friday Gel + Memory Foam Filling2L TPU Leak proof Hydration Bladder: Hydropack includes a 2L water pouch made of food grade TPU material, ensuring it's 100% BPA free and a switch valve and cover cap make it double leak proof. With a 3. 5 inch large opening, making it easy to add ice and clean. Ergonomic & customized Design: The padded shoulder straps and mesh back pad are highly ventilated and breathable. Its low profile athletic cut with full adjustment fits all body types