71038 - Stryke PDU Class B ShirtEngineered with input from operators in the field, the 5. 11 Strykea Class B PDUA Shirt takes high performance uniform wear to the next level, and is designed to stand up to consistent use in harsh duty environments. 78% polyester 22% cotton, Flex Taca mechanical stretch ripstop, 4. 8 oz., Teflona Flex TacA mechanical stretch provides lasting durability that moves with you Teflona finish resists water, dirt, and stains for longer wear Superior