ONLINE EXCLUSIVE. Sometimes you just need a simple tee to make your day. This plus-size one from Columbia features the comfort of a long-sleeve tee and then some, like UV-blocking tech and wicking power. About Columbia Meet Columbia's high performance jackets, designed to keep you warm, dry and active. The brand's exclusive feature lies in its Omni-technology fabrics, which offer water repellency, stain resistance and breathability, preparing you for whatever the outdoors may have in store.