The Astroman Short Sleeve Sun Shirt combines bluesignA(R) approved recycled stretch nylon, UPF 30 protection, and quick-drying performance for lightweight comfort and mobility on sunny days spent climbing, hiking, or traveling. Fabric: bluesignA(R) approved 85% Recycled Nylon 15% Spandex Center Back Length: 73.7 cm / 29.0 in Weight: 4.9 oz/ 139 g Origin: Vietnam Fabric Performance: Breathable Lightweight Quick Drying Stretch UPF 30 Wicking Design Features: 2026 Updated Design Hidden Snap Front Closure Left Zip Chest Pocket Raised Heat Transfer Logo