Waterproof Outdoor Backpack Sports Bag

GearedUpFitness.com

Product Information:

Product Name: Fashion Backpack

Size: 34 * 55 * 20
Backpack characteristics: Ergonomic backpack, breathable and comfortable, with good ventilation and perspiration function, keep the back dry. 

Scientific piggybacking can reduce back pressure while ventilating and not being stuffy.