This Riverruns short-sleeve tee is designed for ultimate comfort and performance. Made from premium polyester, it features quick-dry, moisture-wicking technology to keep you dry during intense workouts. UPF 50+ sun protection shields your skin from harmful UV rays, while built-in cooling technology ensures you stay fresh. The comfort-focused design includes flatlock seams, a tag-free collar, and raglan sleeves for a smooth, irritation-free fit and enhanced mobility. With 4-way stretch, this shirt moves with you and retains its shape wash after wash, making it perfect for sports, outdoor activities, or casual wear.