Lululemon Fast and Free Short 10" City Grit White Blue Fog | size 6 Style Number: W7BKCS 100% pure freedom. The Fast and Free collection, powered by Nulux™ fabric, is all about weightless coverage and unrestricted movement so you can focus on catching that runner's high. nulux™ Nulux™ fabric is quick-drying, sweat-wicking, and offers lightweight coverage features Designed for: Run Lycra®: Added Lycra® fibre for shape retention Waistband pocket: Helps keep your essentials close Drop-in pockets: Snug drop-in pocket keeps your phone in place Continuous drawcord: Won't get pulled inside or lost in the wash Rise and inseam: High rise, 10" inseam