11-ounce, 45% cotton, 44% modal, 7% nylon, 4% spandex FR high power Force ponte Meets the performance requirements of NFPA 70E UL® classified to NFPA 2112 FastDry® technology for quick wicking Rugged Flex® durable stretch technology for ease of movement Fights odors Durable, stretch knit fabric fits close to the body Wide, stretch waistband prevents gapping in the back and offers a comfortable fit Closest fit through hip and thigh Front, back and utility pockets Reinforced knee panels for extra durability Skinny leg opening Built with stretch for movement, and comfort, this product is designed and intended to be slim fitting not compressive Imported