Lightweight polyester construction for comfortable all day use and improved chemical resistance compared to nylonOne universal size fits most peopleEasy connect leg buckles with friction slide adjusters for quick engagement/disengagementStraps have friction style buckles for adjustments over a continuous range of sizesFall arrest D-ring with roller, drop forged circle D-ring has corrosion resistant finish, wear-minimizing roller and is proof-loaded to meet OSHA regulations, easily adjusts for proper fit and functionFriction slide adjusters hold shoulder straps in place so the user does not need to readjust for each useSeat strap adds extra comfort and supportD-ring, leg buckle, shoulder strap, seat strap fastening method