A LIGHTER, MORE BREATHABLE SHORT. Breathable enough for your run. Light enough for all-day wear. The Nike Run Division Pinnacle Shorts deliver a design created from athlete-informed data, courtesy of the Advanced Running Concepts (ARC) team. They use perforated details and smooth materials for support. The result is ventilated comfort, helping you stay dry through every mile. All-Day Functionality The Run Division collection brings you gear for any part of your day. Each piece uses runner insights gathered by our Advanced Running Concepts team (ARC). Ventilated and light, these products have materials and reflective elements that create an ensemble you can wear for work and workouts. Runner-Informed Cooling Nike's ARC team worked with athletes from around the world to learn where their bodies heat up the most. Adjustable Design An elastic waistband with a drawcord lets you adjust the fit. The low-profile waistband helps reduce heat and friction while you run. Built-In Support A built-in liner is made with mesh for soft comfort. More Benefits Drop-in pockets help hold items like a key or card. Product Details Reflective elements Body: 84% nylon/16% spandex. Tight/tight center front lining: 89% polyester/11% spandex 015000 Good used condition. Sold out online.