Manstore Mens Micro Pants M458 Trunk Underwear Black Blend: 92% Polyester, 8% Elastane Net: 60% Polyurethane, 40% Polyester This fabric seems to be finest leather but in real it is synthetic material which can be washed in the washing machine without problems Perforations in some parts of this material lend that range an interesting effect There are a vest and pants with two-way-zipper Jock brief and cheeky brief are cut down low on the hips whereas the mini pants are the perfect classic Color: Black. Fabric: Blend: 92% Polyester, 8% Elastane Net: 60% Polyurethane, 40% Polyester.