Fabric type Body: 82% Tactel Nylon, 18% Lycra Spandex; Lining: 90% Polyester, 10% Lycra Spandex; Cups: 100% Polyester Care instructions Machine Wash Closure type Pull-On Underwire type Wire Free About this item Built for running, training, and high intensity activities; High impact activities Description From the Manufacturer This classic shapes to a t. Natural shape with high (sizes 32-36A, 32-38B) and medium (sizes 32-38C) support - shows curves and gives support without compression.