The MTF Micro Elite Original II Long Underwear Top, from performance apparel manufacturer Hot Chillys, is a comfortable, form-fitting, moisture-wicking base layer. Made from a polyester/Lycra blend, this Crewneck Long Underwear Top is soft and constructed with flat seams to prevent skin irritation. Wear this top on its on in milder weather for a fashionable and flattering look. Product Features: 30+ UV Protection Style HC9628 Machine wash