[Fabric Type] 100% Polyester. [High-Low Hem with Side Slits] This Sun shirt has great draping and a loose fit, avoiding clinging and showing lumps. Its high-low hem gives good hip coverage and won't hinder your movements in any direction. [Breathable & Moisture-wicking] The short sleeves UPF50+ UV Shirts allow air to swirl around arms freely, unlike stuffy long sleeves. When hiking or running outdoors, it swiftly vents heat and sweat, keeping you dry and cozy to relish exercise. [Lightweight & Soft] This workout top features a lightweight and soft fabric, making you feel as comfortable as if you were wearing a second skin. Even when you’re sweating profusely, there’s no itchy or sticky discomfort at all. [UPF 50+ Sun Protection Shirts] This top has a UPF50+, capable of blocking up to 98% of harmful ultraviolet rays, minimizing skin damage. What's more, its excellent sun protection won't diminish even after multiple washes. [Mutiple Occasions] The back hem of the crew neck top is long enough to just cover the hips, making it suitable for everyday sun protection, fitness, vacation, work, gym workouts and fishing.