Nike Flex fabric stretches with your body.
2-way drawcord can be worn internally or externally.
Perforations at the back enhance ventilation.
Dri-FIT technology throughout moves sweat away from your skin to help keep you comfortable and dry.
Low-profile elastic waistband lies flat against your skin.
Zippered pocket on the center back has a vapor barrier to help guard items from sweat. It is big enough to hold a phone.
Reflective bars on the sides help enhance visibility in low-light conditions.