beroy Mens Swim Trunk With Mesh Liner,Running Short Pants,Beach Short Pants Outside:95% polyester5% spandex,fabric has good elasticity, more close to the skin ,quickdry.Msh Lining:95%polyester5%spandex swim trunk in quick dry microfiber with UV50+ Pants have two oblique inserted side pockets ,back inside there is a coin purse Elastic waistband with white drawstring