Fleece Lined Fabirc: 92% Polyester and 8% Spandex. Micro fleece lining of thermal shirts long sleeve for men keeps you warm outdoors in cold weather.

Raglan Design: Crew neck thermal top features a raglan sleeve design, natural arm swing during running and cold-weather workouts. The diagonal seam design minimizes shoulder friction and pressure, delivering lasting comfort through extended outdoor activities.

Easy Match: This fleece-lined base layer long sleeve works well as either an outer layer or a base layer; it pairs easily with coats or jackets for a casual or stylish everyday look and is also suitable for wearing during workouts.

Suit for: The athletic thermal undershirt for men is perfect for running, casual, fishing, hiking, gym, workout, work and other daily wear.The men's undershirt long sleeve is great for your hasband, dad, son and friends.

Note:Men's long sleeve workout t-shirts machine washable, US size. Please refer to our size chart picture before ordering.