[Fabric: Polyester and Spandex. Lightweight breathable 4-way stretch soft and comfy fabric. Sun Protection: UPF 50 fabric protects the skin from harmful UVA and UVB rays during the sport activities. Moisture Wicking: The breathable fabric wicks moisture away from your skin quickly keeping you cool and quick-drying for all-day. Classic Design: Crew-neck tag-free label flatlock seams double-needle sleeves and hem. Designed for full range of movement. Occasion: The long sleeve shirt is suitable for indoor and outdoor activities such as hiking golf fishing traveling boating climbing running workout etc.]