102352 - M Base Frce Extrms Lightweight Btm Don't hit walls, knock them down. End the day as strong as you started in this ultimate climate control layer. Absorbs and traps odors to release in the wash. 4-ounce, 51% polyester/49% Cocona 37.5 polyester FastDry Technology makes this our fastest drying gear Rugged Flex technology for ease of movement Fights odors Gusset at inseam for comfort and easy movement Smooth flatlock seams enhance comfort Tagless Comfortable elastic waistband with Carhartt logo Carhartt Force Extremes labeling printed on front Carhartt Base Frce Extrms Lightweight Btm