SOFT, BREATHABLE SUPPORT. BUILT TO MOVE. The Nike Flex Stride Shorts get updated with an all-new woven fabric and enhanced breathability in high-sweat areas. Their 2-in-1 design has a soft liner for support where you need it. This product is made with at least 50% recycled polyester fabric. Lightweight and Soft A lightweight design made of recycled woven fabric and stretch helps keep you comfortable and focused. At the back, enhanced ventilation keeps you cool where you need it most. Multiple Storage Options A back zippered pocket helps keep your electronic device secure. Side pockets and a drop-in pocket on the liner offer up space for small items. Distraction-Free Support An updated narrow waistband limits distractions. Its dual-function drawcord can be worn internally or externally.