As we soak up the last days of August, we can't help but think about what winter jacket we're buying. Thanks to all the Labor Day sales happening right now, it's a great time to stock up on cold-weather necessities and layering pieces, like quarter-zip sweaters and quilted jackets, for a fraction of their original price. One that you won't want to miss is REI's killer Labor Day sale, which features up to 30 percent off best-selling pieces