Sojourner Hydration Pack Backpack 2L Water Bladder Included for Festivals, Raves, Hiking, Biking, Climbing, Running and More sold2026 If you experience any health DAILY DOSE OF GLOW If you experience any health concerns discontinue use and consult your health care professional BPA FREE Made of high quality food grade silicone material Comfort stitched straps with high density notched foam stabilizer rests on your shoulders and breathable light weight mesh covering means you can wear this pack for hours and not notice its on 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