Waterproof BODY X newly developed 665 g/m2 power-stretch hollow fiber fleece undergarment of 90% Polyester and 10 % Elastane. Far better insulation than a regular fiber due to being hollow and filled with air, optimize the body climate. Excellent wicking properties pulling moisture away by capillary action, keeping the body dry. Highly pill resistant brushed fabric. Tested according to ASTM D 3512. Grade 4.0. Designed for maximum anatomical fit. Gender-specific styling Designed to provide comfort for both female and male divers. Single layer fabric around wrists makes it easier to don and doff your suit.