K5 is a massive outdoor athletics store located a few blocks from the ocean in downtown Oceanside. The shop stocks skateboards, surfboards and gear, and even select snowboard equipment for those who like to travel north to Big Bear, Mammoth or Lake Tahoe. K5 also sells shoes, shorts, wet suits, sunglasses, goggles and other sporting goods. Brands carried include DC, Thirty Two and Vans, as well as lesser-known makes such as 686, Arbor and Nixon.