New Stretch opening system for an easier and quicker adjustment Air circulator concept increases ventilation and breathability New ergodynamic back provides added protection for lower back Padded belt (Twin pad)provides additional protection in hip area Inside leg zipper allows for easier fitting Elastic knit inseam and crotch increases flexibility 400 denier durable nylon shell Colors Black, Navy, Royal, Red Sizes(SNR) - S, M, L, XL, XXL (JNR) - S, M, L, XL