Bulk Board Shorts 鈼?Those gym short made from super breathable 100% polyester fabric,Extremely good in HOT temps. If there is any wind it's like you have nothing on. Even with no wind or indoor, they are extremely "light"The thin. 鈼?The waist band is different from normal elastic.it is 4 way stretch so it is comfortable letting you move however you want. 鈼?90% Polyester, 10% Elastane ,Jersey knit lining 鈼?nbsp;Machine Wash 鈼?Fastening: elastic tape drawstring 鈼?Compare to other running shorts,the lining is much more smooth and double reinforced stitching to ensure its best performance and durability. 鈼?Everyone prefer to get shorts that you can use for multi purpose, those this one actually says Gym, You take it when you do your running 銆亂oga or play any of the racquet sports. 鈼?Men鈥檚 running shorts have breathable fabric with quick-drying and lightweight features,and none-rub performance and not make noise. Welcome order for you Bulk Board Shorts website:http://www.qz-zhimings.com/board-shorts/