Features / Benefits
COMPACT& LIGHTWEIGHT : OPliy Hydration pack is designed specifically for road cycling /running/ Hiking ,So this hydration backpack is feather-light, streamlined and stable on your back and won’t create a ton of wind resistance ,keep your body functioning at peak performance whether you\'re training for a marathon or cycling.
INSULATION BLADDER COMPARTMENT: This cycling hydration backpack has an insulation compartment made of thick aluminum foil, which can hold a 2L water bladder and can be liquid cooling for up to 4 hours. The best hydration pack for running, hiking, cycling, or biking.
FLEXIBLE SIZING: Fully adjustable shoulder/chest straps make sure it doesn\'t bounce when you move will fit chest sizes from teenagers/kids with 27\" up to adults (men and women) with 50\" chest size,This hydration backpack for hydration will keep your littles hydrated and happy,fits younger explorers too
COMFORTABLE & FUNCTIONAL backpack: Hydration backpack has a bike helmet organizer pocket, built-in safety whistle, extra storage pockets, and reflective accents for visibility in low-light environments. a Breathable mesh back panel for a cool & comfortable ride.
PROFESSIONAL 2L HYDRATION BLADDER: 2 liters (70 oz) BPA-free Hydration Bladder-The perfect size offer a nice balance of reasonable weight and bulk while providing a sufficient quantity of water.