Showcasing an unprecedented combination of advanced features, this FINA-approved technical suit maximizes performance and gives athletes the ultimate advantage over their rivals. Avictor Omni Nylon Lycra: Lightweight 100 GSM (grams per square meter) for technically advanced comfort and support Surface Lift Technology: Works in harmony with a swimmer's natural abilities in order to optimize body positioning in the water. Advanced engineering allows fully bonded seams to conform and stretch with the swimmer's body. Core Stabilization. 70% Nylon / 30% Lycra Spandex Size 23 Direct from TYR. AESTC6 NWT in orignal box