HOOK 360° Pro-series long sleeve mens performance shirt MADE IN THE USA. A downright essential if you’re planning to be in the sun for long hours at a time. Flat lock stitch and seams, no neck label hanging, torso length, and double needle hem Geared to perform and formulated for comfort. Side vent mesh for extra airflow to high sweat areas keeps you cool and dry. The Pro-series shirt has a natural SPF rating of UPF 50+, blocking 98% of the suns harmful UVA and UVB rays. “The most comfortable shirt I’ve ever put on” – Ricky G.