Orca Thermal Parka JacketKey Features & Benefits Superior insulation for triathletes and open water swimmers. The Orca Thermal Parka uses high performance thermal fabrics to trap heat while remaining breathableideal for chilly post swim chills or early morning starts. Water resistant outer shellDesigned to block wind and repel water, the outer layer shields you from light rain or drizzle without weighing you down. Full length zip & extended hoodEasy to put on and take off,