Speed lace and single belt tightening system Strongest 420 Denier nylon 840 Denier nylon abrasion material Ultra-Fresh anti-microbial liner reduces bacteria and odors Ventilation in the upper thigh and tailbone Reinforced padded belt with polyethylene insert Elastic materials in the crotch and inseam Traditional zipper for pants Cut resistant curtain New adjustable Ergo-Flow spinal protection