Introducing the last performance shirt you’ll ever wear. SA’s New Performance Line features comfort fit construction for optimal range of motion. Made of UPF 50+ 4 Way Stretch Material, SA Performance Shirts are designed to keep you cool & dry even on the hottest days. With new features like mesh underarms and triple stitched flat-lock threads, SA Performance Shirts are made by outdoorsmen for outdoorsmen. Find Your Adventure with SA Gear.