As you eye those mountain tops and lace up your shoes to bounce and glide along the rough terrain, this shirt's construction is ready to make your next trail running expedition go a bit smoother. For one, its UPF properties shield your skin from the sun's harmful rays, and so you stay cool, moisture-wicking Techwick(R) and antimicrobial treatments help you remain dry and fresh, even through difficult patches. Then, specific to your mission, its stretchy, snag-resistant material is built for a greater degree of movement and won't look worn out once you've returned to the parking lot. Fabric: 100% polyester Trail Run UPF jersey material. Techwick(R) material controls moisture, pulling perspiration away from your skin, so that you remain dry. Antimicrobial HeiQ treatment blocks the growth of odor-causing bacteria . Lightweight, flexible feel. UPF 50+ protection blocks out harmful UV rays. Four-way stretch construction gives you a full range of motion. Improved snag resistance holds up to rugged trail conditions. Contrasting, off-center flatlock stitching reduces chafing and irritation. Short raglan sleeves for a greater range of motion. Round, self-fabric collar. Curved, feminine fit. Rounded hem is longer in back for more coverage. Reflective logos help you stay visible in low-light conditions. Techwick(R) heat transfer logo added inside collar. Paneled look places seams off center for a smooth, no-seam feeling. 26 1/2" center back length. Machine washable. Imported.