3M Cool Flow exhalation valve that helps keep faces cool

Resistance to contact heat of up to 662°F (350°C)

Shell Fabric : 100% Polyester 5oz

PU-coated fabric bonded to a flexible 100% polyester tricot knit

As the name implies

PORTWEST® Hi Vis 3 in 1 Shell Jacket - ANSI Class 3 - PW365 Size:2XL 3M Cool Flow exhalation valvePORTWEST Hi Vis 3 in 1 Shell Jacket ANSI Class 3 PW365 Features Durable, breathable, windproof and water resistant fabric Detachable inner jacket for added versatility in all weather conditions Inner chest pocket Two lower pockets Zipped chest pocket Easy grip pullers attached to all zips Waterproof and breathable with sealed seams to prevent water penetration Certified Internal tablet pocket for safe storage Heat applied segmented reflective tape for