5 layer frontal apron chainsaw chaps contain PVC coated 600 denier polyester with Tek warp protective layers. It's designed to reduce risk or severity of an injury and give the saw operator extra reaction time when contact is made by a moving chain. Protective chainsaw chaps should never be considered safer than proper chainsaw handling safety procedures. Always check with your manual for chainsaw safety guidance. Tool/Gear pocket. Acetal Delrin buckles. Adjustable waist size up to 38" (overall length is from waist to ankle) . Wash in Cold water mild detergent & hang to dry. Never use chlorine bleach. Meets ASTM F1897, ANSI Z133.1, UL® Certified. Meets OSHA Regulation 1910-266.