SKU 9459444 Stay cool and safe in the Bulwark® Big & Tall Long Sleeve FR Base Layer with Concealed Chest Pocket shirt. This raglan long sleeve offers a hidden pocket for safe keeping, mesh insets to keep you cool, and is also CAT 1 approved. Arc Rating ATPV 6.4 calories/cm² CAT 1 approved AR/FR base layer. Crafted from Excel FR® Flame resistant fabric. Bulwark® seal ensures FR standards. Mesh underarm gussets allow for breathability. Round hem. Long sleeve raglan design. Slim fit. Self-fabric crewneck collar. Concealed chest pocket. Machine washable. 90% Cotton, 10% Polyester. Imported. View Zappos.com Glossary of Terms Bulwark FR Long Sleeve FR Base Layer with Concealed Chest Pocket