【UPF 50+ Sun Protection & Skin Friendly】- NAVISKIN women sun protection shirts are made of UPF 50+ fabrication that protects the skin during outdoor activity by blocking harmful rays. super lightweight and soft material feels amazing next to your skin while staying light and cool to the touch, great for a day of rashguard, hiking, traveling, running, golf, any outdoor activities. 【Quick Drying & Breathable & Moisture Wicking Fabric】- keeps you dry and cool feeling & delivers a relaxed fit for all-day comfort. 【Crew Neck & Flatlock Seams 】- crew neck design offers excellent sun protection and flatlock seams offer no-chafe comfort 【Raglan Sleeves Design】- provide wide range of motion and eliminate shoulder seam chafing. 【Reflective Elements & Reference Size】- enhance visibility in low light. Reference Size: S-(Bust: 33"- 34.5", Waist: 27.5"- 28.5", Hips: 37-38.5") / M-(Bust: 35"- 36.5", Waist: 29.5"- 31.5", Hips: 39.5-41.5") / L-( Bust: 37.5"- 39.5", Waist: 32"-34", Hips: 42''-44") / XL(Bust: 40"- 42", Waist: 35"- 37", Hips: 45''-47") / XXL-(Bust: 43''-45", Waist: 38"- 40", Hips: 48''-50").