Coldpruf Basic Crew Baselayer - Women's Black Small. s Crew is built with two-layer engineering that traps air between layers to create a natural barrier of warmth. It uses a 60 percent combed ring spun cotton and 40 percent polyester blend in a 5.25-ounce fabric weight. A tagless design with flat seams supports a smooth fit while hemmed cuffs provide a clean finish. Specifications for Coldpruf Basic Crew Baselayer - Women's: Manufacturer: Coldpruf Age Group: Adults Gender: Female Color: Black Application: Baselayer Fabric/Material: 60percent Cotton / 40percent Polyester Features of Coldpruf Basic Crew Baselayer - Women's Two-layer engineering Traps air between layers providing a natural barrier of warmth 60percent combed ring spun cotton 40percent polyester Fabric weight: 5.25 oz. Tagless design and flat seams provide a smooth fit and extra comfort Hemmed Cuffs Package Contents: Coldpruf Basic Crew Baselayer - Women's Coldpruf 50ASMBK: Basic Crew Baselayer - Women's Black Small