The Performance(TM) layer when the wind chill isn't a warning, but a calling. The Performance Pant by Coldpruf features a 6.25 oz. 96% CPT Performance Polyester / 4% Spandex Thermal blend that provides a natural stretch and superior fit. Designed to perform in cold to very cold conditions with mid to high activity. Pairs with the Performance Crew. True sizing for an accurate fit. | Coldpruf Performance Thermal Pant in Black | Size Small