This Stormtech short - sleeve tee is great for men who love outdoor activities like hanging out with friends, hiking, biking, and playing sports. It's also suitable for work. The tee is made of a 60% BCI Cotton/40% Polyester single jersey fabric, weighing 5.46 oz/yd2 in the USA and 185gsm in Canada. It has a 1x1 rib crew neck, hem side slits, and a taped neck seam. With a UPF rating of 30+, it offers good sun protection.