COLUMBIA ADVENTURE LAND GRAPHIC TEE - Adventure awaits with these high-performance graphic tees. Trust us, your little guy doesn`t want to spend the summer in a sweat-soaked cotton tee. But he also wants to look cool, which is easy enough with these awesome shirts. Featuring everything from ferocious bears to Columbia creatures, they wick sweat, shun UV rays and stay fresh longer with the help of an antimicrobial treatment. 100% polyester Mini Check Pique. Omni-Shade® UPF 30 sun protection. Omni-Wick™. Antimicrobial.