NIKE Trail Kiger Vest,Large(Black/Total Crimson) Unisex .Large main compartment fits hydration bladder (sold separately) Use for additional storage. Multiple stretch mesh pockets for easy access storage Zippered dry zone compartment for secure storage. Dual, adjustable sternum straps for a customized, stable fit. Reflective detailing for enhanced visibility in low light conditions. Mesh shoulder straps and back panel for breathability and comfort. Capacity 3.5L.Weight 9.5oz