12oz Heavy duty denim Kevlar reinforced in the seat, hip & knee panels Aramid fibers are a class of heatresistant synthetic fibers, used in aerospace and military applications, for ballistic rated body armor fabric and ballistic composites Pockets for knee armor (armor sold separately) Added cotton comfort layer Stretch panels at knee & upper seat areas Ridefriendly cut 7 pockets including 2 zippered pockets Reflective stripe on legs & tail bone Available in regular and short lengths