100% Polyester Made in the USA or Imported Polyester fleece construction is durable for many years of use Breathable fabric is comfortable and moisture wicking away from skin Wear alone in mild weather or as a harsh condition base layer Soft and warm polyester fleece is machine washable and fade resistant The mock turtleneck design wraps your neck in warmth, and the polyester fleece construction makes it a versatile option for cold-weather layering or mild-weather outerwear. Breathable fabric wicks away moisture providing quick evaporation.