this high rise 4 inch run short uses a recycled polyester with a touch of elastane for stretch. this lightweight FLUIDE™ ripstop woven fabric is treated with durable water repellent finish in case of rain. an easy access, no-zip back pocket for fuel, a card, and a dollar bill. a hidden internal pocket keeps your keys locked in. a reverse stitched, no chafe, COOLmatic | PLUS VITALmesh™ liner is treated for cooling, accelerated wicking and odour control. designed for training days and a fun run here and there that might just lead to that half marathon PB.