Best for: Soft, lightweight and made for intensity work outs.. . The features: Our high neck, slim fit Flexa Base Layer with rib panels designed to flatter. This base layer is cut long in the body to hit low on your hip giving you coverage over your waist. . . Our fabric: This supersoft, seamless fabric is crazy comfy with 360° stretch for training without restriction. Flexa is one of our next gen performance fabrics and is made from bamboo viscose blended with elastane and an innovative synthetic, Amni Sol Eco®. Where conventional synthetics take hundreds of years to degrade, Amni Sol Eco takes five (in landfill).. .. Mink. Rib. 58% Bamboo Viscose, 37% Polyamide (Amni Soul® Eco), 5% Elastane. Easy care, machine wash at 30 °