Keep him cool and comfy in this slim fit pintuck cargo pants that'll take him seamlessly from tuition to play. Style Tip: Style it with a front placket blue shirt and brown shoes for a dapper look. Fabric Description Twill: It is a type of textile weave made by passing the weft thread over one or more warp threads then under two or more warp threads with a "step," or offset, between rows to create the characteristic diagonal pattern.