Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Skip-the-Chafe, Seamless Construction Minimal seams to reduce chafe Lightweight Mesh construction for breathability Added elastane improves stretch and shape retention 100% of the polyester in this product is recycled (excluding trims) Slim Fit, Waist Length Skims your body Meets at your waistband so it won't ride up on long runs or race day Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the fabric Thumbholes