NKB Arena Backpack One Go 45L White delivering a Rotational Freedom™ never

delivering a Rotational Freedom™ never before felt – “a game changer” according to the Brownlees

stand-out prints

It is TOUGH and features a unique weave method

The Powerskin ST marks a new generation in a classic arena high performance jammer

Fully Lined

NKB Arena Backpack One Go 45L White delivering a Rotational Freedom™ neverYour Season. Your Journey. Your NKB One Go Backpack 45L. Built for serious swimmers who demand space and organization, the new NKB One Go Backpack 45 delivers with one roomy main compartment and four zipped exterior pockets. Crafted with water repellent fabric and moisture control compartments, it keeps your gear fresh and readywherever your swim journey takes you. Dimensions. 19. 69x15. 75x9. 84 in. 45 L Note: Because this item is custom tailored