Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Designed for Run. 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. 'Wash with like colours', 'Machine wash cold', 'Do not bleach', 'Tumble dry low', 'Do not iron', 'Do not dry clean', 'Imported'. Skip-the-Chafe, Seamless Construction. All: 54% Nylon, 40% Recycled polyester, 3% Elastane, 3% X-static nylon.