This is an Evaporative Cooling Product (ECP). Just submerge in cool water for several minutes, blot dry and wear! Fabric retains hydration keeping you cool for hours.

Comfortable, NOMEX quilted nylon outer with polymer embedded fabric inner, water-repellant nylon liner, and hoop & loop attachment Hook & loop closure for a perfect fit. Provides 5-10 hours of cooling relief per soaking; lightweight, durable and washable. Can be ordered in NOMEX or INDURA fire resistant fabrics.