Alpinestars ST-5 Drystar Pants. 660 Denier Taslon fabric and abrasion resistant Nylon fabric with PU coating. Alpinestars exclusive waterproof and breathable Drystar® internal lining. Multiple stitched main seam construction for maximum tear resistance. Removable CE certified Smart knee/shin protectors. Ergonomically placed stretch panels for optimal flexibility. Waist adjustment Velcro® pull straps. Waist connection zipper allows attachment to selected Alpinestars leather and textile pants. Deep cargo pockets on thighs. Removable PE hip padding. Reflective piping for night time visibility. Leg gusset openings with YKK spiral zippers. Removable thermal liner. Embroidered logos.