45L Large Backpack Size:One Size When the timer's still counting

When the timer's still counting down and you need to dig deep

Tool-free mounting strap is simple to attach

we did that

Additional protection on two Lead finger

Cotton-poly blend fabric feels lightweight

45L Large Backpack Size:One Size When the timer's still countingIntroducing the ultimate fitness backpack, crafted for everyday and elite athletes. Made from premium, ultra durable materials and fitted with industry leading zippers, this backpack boasts a huge capacity to accommodate all your gym and daily essentials. Say goodbye to the inconvenience of carrying multiple bags, and hello to the ease and convenience of carrying everything you need. 2 side bottle holders capable of holding 1000ml protein shaker and