Lululemon Run Speed Short Body: 86% Recycled Polyester, 14% Elastane Lululemon made these shorts to keep us feeling comfortable and cool from training days to race day. A continuous drawcord is easy to cinch mid-stride so we can streak past our personal records. Get up and get it! RUNS SMALL. PLEASE CONSIDER SIZING UP. Swift Ultra fabric is sweat-wicking and four-way stretch. Smooth fabric waistband lies flat under your top and has added LYCRA fibre for great shape retention. Lightweight liner helps shorts stay in place Three-pocket waistband gives you plenty of storage options - secure your keys and cards in the back zipper pocket, and pack your gels in the two waistband pouches. Swift Ultra. 86% Polyester, 14% Elastane. Inseam: 2.5 inches. RUNS SMALL - PLEASE CONSIDER SIZING UP.