In VESTS we trust! This Columbia weather is flaky, it can go from 75 degrees to a winter ice storm within days. A light down vest is suitable for the majority of Columbia weather, especially sunny days with a bit of chill in the air. I got this vest from a thrift store for a whopping $5, go to your near by consignment shop and try to scope some out! If you can’t find any, Uniqlo has plenty!