DuPont™ Tychem® 6000 AL TF640 00. Ventilated coverall with stitched and over-taped seams. Fully enclosed over hood with clear front and crown see through visor. Front closure with double flap hook and loop, single zipper closing to center, horizontal opening. Three exhaust valves; two at hips one in hood back. Air distribution plenum made of Tychem® 6000 fabric. Emergency Egress. Cuff elastication and elastic thumb loop on inner sleeve opening. Over boot assembly consisting of integrated dissipative inner boots attached to dissipative outer boots with buckles. Grey.