Stretchy sweat-wicking comfort - Nike Flex fabric 3 inseam Back zippered pocket and internal Get your run on with Nike's Flex 2-in-1 Running Shorts. The shorts offer a 2-in-1 deal, built-in shorts that provide sweat-wicking coverage and a stretchy outer shorts. The outer short has a 2.5 inseam and a curved bottom hem to allow for a great range of motion while the inner short has a 3 inseam for additional coverage. The Zippered pocket at the centre back has a waterproof membrane to provide dry storage.