Feel the incredible softness of Bluefin USA's new improved technical knitted shirt! Bluefin Zen 3 Guys Technical Long Sleeve Shirt will give you a “peach” soft comfortable feel, full flexibility and complete ergonomic comfort. Made of 65% Microfiber 35% Rayon. Features UV50 SPF, anti-microbial, wick and moisture management. Sizes and colors available as displayed.