About this product

Adjustable shoulder/chest straps. Fit chest sizes from teenagers/kids with 27" up to adults (men and women) with 50" chest size. The chest straps make sure it doesn't bounce when you move; Whistle buckle for emergency.

Rugged 900 Denier Polyester heavy-duty construction with PVC lining, resistant to tears and abrasion

It also keeps the water fairly cool. And include a wide screw cap so you can add ice cubes for an even cooler drink. Enough to get you through a day of hiking, cycling, running or biking.

Two front pockets for carry your wallet, keys, phone, towel, smalltool, perfect for hiking, running, biking, walking.