Go ahead, get sweaty. The Swiftly Relaxed collection, powered by seamless construction, is the ultimate gear for running and training. Designed for Training. A loose fit with a little extra room:Sits below the waistband for moderate, everyday coverage. Silverescent technology, powered by X-STATIC, inhibits the growth of odour-causing bacteria on the fabric. Wide hem prevents ride-up. All: 50% Nylon, 44% Recycled polyester, 3% Elastane, 3% X-static nylon.