ZAPT Tactical Clothing Army Combat Apparel Military Camouflage Uniform with Knee Elbow Pads 65% polyester Recon Warrior pants and Silent Warrior shirt feature a modern, articulated, anatomical design and utilize top-quality fabrics and construction STG tactical Stretch material for maximum mobility and comfortable range of motion YKK Zipper and Velcro closure designed for quick and easy putting in and off Designed for use with removable Combat Knee Pads. Built-in flap covers kneecap opening when not using knee pads. Knee elbow pads is included Check Size Chart below to insure proper fit, the size detail is in product images