Outdoorguru Military Army USMC BDU CP Camouflage Suit Men's Combat Hunting Uniform Wargame Paintball Clothing Zipper closure, easy for putting on and off The collar can be tightened with Velcro. The waist is adjustable with the elastic drawstrings The leg bottom also can be tightened with the elastic drawstrings. Reinforced seat,Shaped leg construction, Reinforced knee / shin