1000D Nylon Imported ADJUSTABLE & FIT ADULT,S-XXL: maximum chest size is 50 inches.(125cm) be adjusted to fit max be adjusted to fit shoulder and waist size,please note this important size information before place an order. DURABLE & COMFORTABLE:Well made of 900D high density nylon,well constructed, with a thick pvc lined nylon,strong tensile wear-resisting ability. MULTIPLE DUTY & FLEXIBLE REMOVABLE:Carry 3 standard magazine pouches ,1 map and flashlight pouch, 2 communication pouches and 1 medic pouch,all bags are removable. MOLLE & VELCRO:Modular Lightweight Load-carrying System,powerful suspension belt,strengthen tactical load-bearing,designed magic VELCRO.