Fabric: Flyleaf Collection 50% Nylon, 50% Polyester UPF 50+ sun protection Breathable & moisture-wicking Skin-friendly, soft & comfortable Features: Relaxed fit Crew neck Long-raglan sleeves for a wide range of motion Flatlock seams ensure no chafing Occasion: Perfect for a variety of sports and activities, including athletic workouts, fishing, sailing, swimming, hiking, and more. We upgraded the fabric! Now it's softer, more breathable and comfortable!