COMFORTABLE, BREATHABLE SUPPORT. MADE TO MOVE. In high-sweat zones, the Nike Flex Stride Shorts' brand-new woven fabric provides improved breathability. Where you need it most, their soft brief liners offer firm support. On-the-go convenience pockets store goods. This product has at least 50% recycled polyester fibers in its construction. Portable and soft Your comfort is enhanced with a woven fabric, lightweight design. Improved ventilation at the rear gives cooling where you need it. Simple Storage A zipped compartment on the back aids in keeping your electrical gadget safe. Small items can be stored in side pockets and a drop-in pocket on the brief liner. Uninterruptible Support Updated, slender support is provided by the waistband. Its dual-purpose drawcord can be worn on the inside or outside.