Five-pocket jeans from Du Pont Kevlar & COOLMAX Features Stretchy stone washed denim Full trousers reinforced with Du Pont Kevlar fabric 2-layer lining consisting of an abrasion-resistant Du Pont Kevlar outer side, & a polyester inner side with COOLMAX fibers for optimal transport of perspiration to the outside Regular fit 5 pockets Concealed zipper strip Height-adjustable knee protectors impac Tec (men ETP-02, ladies ETP-01) Hip protectors impac Tec ETP-03