New CamelBak HydroBak Hydration Pack 50 Oz, Black Graphite lightweight 13.5 moisture wicking fabric * Comfortable wrapped Black GRay moisture wicking fabric * Comfortable wrapped padding with breathable air mesh * Black steel cage with flat middle bar for improved visibility * ABS plastic shell with strategic airflow vents * Solid matte shell exterior * Chest Protector: * Meets NOCSAE Commotio Cordis standard * Stacked memory foam in abs for improved rebound control * Heavy duty steel inset waist clips forA adjustable fit * Four point web strap system * Adjustable shoulder cap * Adult Size 17" * Leg Guards: * Triple knee design * Reinforced knee and thigh connection for ease of motion * Larger surface area for blocking position * Removable inner knee and shin pads for adjustable comfort * Vented shell design promotes air flow * Toe extension for additional protection * Adult Size 16 100% Polyester Imported Machine Wash UA Storm technology repels water without sacrificing breathability Scent Control technology to keep you undetected Performance fleece fabric has a smooth finish to protect you from the elements Soft PLENTY OF STORAGE: CamelBak has engineered this hydration vest for the cycling enthusiast It has front harness pockets for quick access