5L Outdoor Sports Backpack Cycling Hiking Hydration Bags

Latest Update: July 21, 2026

This waterproof cycling hydration backpack is made of nylon material with adjustable waist and shoulder straps to adjust to your body and has an inner liner for drinking water. It is perfect for hiking, camping, school, summer beach trips, etc. The water bag has passed the air pressure test, is completely pressure-resistant and leak-proof, and the double-sealed surface technology greatly improves durability. The waterproof running hydration underwear features customized reflective tape, designed to improve safety during marathons, jogging and trail running in dark conditions. Designed for road cycling, running, hiking, this hydration pack is compact and small, keeping your back light and stable without much wind resistance. Add your organization or company logo or message to customize.