Uses: Hiking, Travel, Camping UPF 30 filters harsh UV rays Center front button closure Low-profile thumbholes MHW patch logo at bottom left hem Imported Fabric Body: Peached Jersey Knit: 91% Polyester, 9% Elastane [tabs][tab title="Size Chart"] Mountain Hardwear - Men's Size Chart Chest Sleeve Length S 36-38" 33" M 39-40" 34" L 41-43" 35" XL 44-46" 36" XXL 48-51" 37" [/tab][/tabs]