Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Minimal seams to reduce chafe Lightweight Added elastane improves stretch and shape retention Slim Fit, Waist Length Skims your body Shortened length 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 54% Nylon, 40% Recycled Polyester, 3% Elastane, 3% X-Static Nylon