VERSATILE: Crater Lake Long Sleeve Crop combines UPF 50 fabric with surf-inspired design, this lightweight, breathable long sleeve shirt protects against harsh UV rays whether you're beachside, rock climbing, hiking, camping or exercising outdoors STYLE: Crop styling that pairs well with a high rise bottoms or over a bathing suit UPF FABRIC: Constructed from UPF 50 jersey knit ensures you stay protected against the sun's harsh UV rays from coastal waters to high-desert mountains. Highly breathable; moisture wicking fabric to keep you comfortable DESIGN: Mock neck for extra coverage and sun protection. Low profile thumb holes LIMITED LIFETIME WARRANTY: Limited Lifetime Warranty covers defects in materials and workmanship for the practical lifetime of Mountain Hardwear brand products manufactured by Mountain Hardwear UPF 50 jersey knit wicks moisture and dries quickly