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Knox flame-resistant shirts are constructed with the ultimate comfort, technology and durability in mind. FR fabric is soft against the skin and t...

Performance that stands up to hazardous conditions. Made from durable, soft flame resistant twill that is comfortable against your skin. Greater ar...

Reinforced Stitching. Chest pocket with button flap closures and sewn-in pencil stall. Reinforced Knox Buttons. Anti-static Fabric. High Temperatu...

Reinforced Stitching. Chest pocket with button flap closures and sewn-in pencil stall. Reinforced Knox Buttons. Anti-static Fabric. High Temperatu...

Performance that stands up to hazardous conditions. Made from durable, soft flame resistant twill that is comfortable against your skin. Greater ar...