This Traveler suit separates vest features a unique fabric technology that maintains the optimum microclimate for your body. Named 37. 5, it removes moisture at the vapor stage before sweat can form. 37. 5 acts like a thermostat by removing moisture when you are hot and retaining warmth when cold. It absorbs and traps odor molecules that are washed away when cleaned. Inverted V Front, five button, fully lined, water- and stain-resistant. 66 wool, 30 37. 5 polyester, 4 spandex. Dry clean only. Imported. Traveler Slim Fit Suit Separates Solid Vest