A good wicking tee is the ideal first (or only) layer, whether you're spending a long day at the job site, working in your backyard or heading out for a weekend camping. Our Base Plate long sleeve men's shirts are built for breathable all-day comfort. 55% cotton, 45% polyester jersey knit. Original fit. WickWork(TM) technology. Odor-resistant technology. Built-in 30+ UPF sun protection. Tagless neck label. Side-seam construction minimizes twisting and torqueing. Reinforced chest pocket. Rib-knit collar and cuffs.