Tychem® 4000 Coverall, Bound Seams, Attached Hood, Elastic Wrist and Ankles, Zipper Front, Storm Flap, White, X Large no checkout solvent resistant seal that will solvent resistant seal that will not tear or decay Parts disassemble easily even after extended service Reduces inventory costs – no need for large inventory of cut gaskets Durable nylon frame with 5 position ratcheting temple design for optimum fit Non slip TPR temples for comfort and grip Over the glass designed to fit over prescription eyewear Effective protection against a range of chemicals Tychem® 4000 is chemical barrier film laminated to Tyvek® fabric Tychem® 4000 is white for high visibility Tychem® 4000 provides at least 30 minutes of protection against >120 chemical challenges Many different styles available