FR Phase 1 is one of the lightest most durable FR fabrics on the market. FR Phase 1 is a lightweight patented blend of Modacrylic & FR Rayon, inherent at the yarn level, providing FR protection for the life of the garment. Superior Acclimate® Dry Moisture Management wicks sweat away from the body and dries rapidly. AG47® Silver Anti-Microbial fights and eliminates harmful bacteria from your sweat leaving you odor free. Clean Seam® provides unparalleled next-to-skin comfort. Give your under carriage the protection it deserves with the best FR boxers on the market!
Fabric: a Patented blend of Modacrylic & FR Rayon
Inherently FR At Yarn Level - FR Protection For Life Of Garment