Carhartt WIP Double Knee Pant Black RinsedCarhartt WIP Double Knee Pant Black Rinsed The Carhartt WIP Double Knee Pant the heavy duty version of WIP's work pant with double layer knee panels for maximum durability. Relaxed straight fit, durable cotton construction, and bartack reinforcement at stress points. Built for work, adopted by skaters and the street. The Square Label at the back pocket. If you need pants that can take real abuse, these are the ones. Details Durable cotton construction