A versatile long-sleeve sun shirt with advanced protection and a soft, cotton-like feel. UPF 50+ Sun Protection Shields your skin from harmful UV rays during extended time outdoors. Antimicrobial Treatment Stay fresh for multi-day adventures with odor-fighting fabric. Moisture-Wicking & Breathable Keeps you cool and dry, even on steep, sunny climbs. Wrinkle-Releasing Fabric Wrinkles from packing? No problem. The fabric releases creases as you wear it, so you look polished without the hassle of ironing. Durable Construction Long, wide cuffs and bonded seams enhance longevity and protection. Size + Fit Intended to have a straight-body fit with extra-long sleeves. If you prefer an oversized fit, size up and roll the cuffs. Karina is 5'4" and wears a size XS. Size guide here! If you own the Trail Sun Hoodie 01 , order your same size.