Bulwark Men's FR Long Sleeve Base Layer with Concealed Pocket 12days A built-in safety overload valve

A built-in safety overload valve provides added protection

Vibram sole

How does the shock absorption work

and nitrile O-ring

Impact-resistant ABS shell performs in high and low temperatures

Bulwark Men's FR Long Sleeve Base Layer with Concealed Pocket 12days A built-in safety overload valveThe Bulwark Men's FR Long Sleeve Base Layer with Concealed Pocket is a CAT 1 arc rated flame resistant shirt designed to anchor your FR layered system. Built from Bulwark's Excel FR fabric a 5. 5 oz. 90 10 cotton polyester blend it delivers reliable arc flash and flame protection while staying lightweight and breathable enough for all day wear. The concealed chest pocket adds discreet storage, and the heat seal Bulwark triangle at the collar signals