Features: waterproof, windproof & breathable due to removable HUMAX® climate membrane Ventilation system at the thighs elastic upper fabric on seat & groin rib stretch at the knees width adjustable (hip, leg end) connection zipper Anti-slip material on buttocks 4 pockets, including 2 waterproof cargo pockets on the thighs height-adjustable & removable YF® knee protectors, SAS-TEC hip protectors can be retrofitted