Sugoi Men's RS Ice Tri Suit 86% Nylon, 14% Spandex Made in the USA or Imported Combines IceFil technology up top with the 3-panel design of the RS Tri Short to create an innovative, world class Tri suit Icefil material is moisture reactive and cools your skin temperature with perspiration Incorporates Sugoi's industry leading RS short technology Engineered fabric on front panels for increased breathability Reverse entry rear pockets are hydrodynamic and aerodynamic