Arena - One Go Backpack 45L - Green Size:One Size mix and match with our

mix and match with our training bikini bottoms

Equipped with 1 3/8 "side seams and adjustable waist cord

The NIKE LACE-UP BACK has adjustable straps for a customized fit and support

The Swim-Pro back offers high levels of comfort and freedom of movement alongside good support

plus a Breakaway Zipper™ delivering the fastest transition

Arena - One Go Backpack 45L - Green Size:One Size mix and match with ourOrganize all the stuff you need for training. The large arena One Go Backpack 45L, featuring a top loading design, allows for effortless packing and access to your belongings. The roomy main compartment and four external zipped front pockets provide multiple storage options. Breathable and watertight inserts keep wet and dry items separate. It includes a smart laptop sleeve and two external bottle pockets. Aquabreathe, arena's new wet management