Powerflex eco: made from 100% Recycled pre and post-consumer nylon yarn waste; long lasting, with increased compression Front/back lined Racing cut: our highest leg height; hits above hip Will ship in a competitive box 78% Econyl (Recycled nylon)/22% Extra Life Lycra Spandex Please reference Speedo’s New & Improved size chart for your optimal sizing. Keep in mind that our competitive suits are ULTRA COMPRESSIVE to reduce drag in water. If you prefer a more comfortable fit, please size up