For those towering ascents that summit somewhere in low earth orbit, the Astroman Shirt has the UPF protection and moisture-wicking tech to keep you comfortable on your climb. ; Standard Fit offers a looser cut for easier technical layering. ; Nylon-blend weave: • Lightweight, breathable nylon weave in a stretch blend for improved range of motion. • Moisture-wicking performance moves perspiration away from the skin to dry quickly on the surface. • UPF 50 fabrication protects your skin during outdoor activity by blocking harmful Ultraviolet A and Ultraviolet B rays (UVA and UVB). • 5.4 oz/yd² / 154 g/m² fabric weight. ; Sun Snap Collar folds up easily for full sun protection. ; Snap-button placket. ; Short sleeves. ; Snap-button chest pocket. ; Straight back yoke. ; Shirttail hem. ; Logo embroidery at the back yoke. ; 85% nylon, 15% elastane. ; Machine wash and line dry. ; Imported. Measurements: ; Length: 28 in ; Chest Measurement: 42 in ; Product measurements were taken using size MD. Please note that measurements may vary by size.