(Image credit: REI / edited by Gemini)

REI is notorious for offering impressive markdowns on the best outdoor brands — and Patagonia is no exception. Now that temperatures are starting to drop, investing in some high-quality outerwear is a must. And fortunately, Patagonia's best-selling styles are up to 50% off .

For instance, the popular Patagonia Houdini Jacket is down to just $82 and is the perfect layer for fall adventures. You can also grab the Patagonia Micro-D Half-Zip Fleece Pullover for just $44 . Plus, there's plenty more deals on rain jackets, hats, hoodies and fleeces from $21.

Patagonia doesn't come cheap, so you'll want to snap up these deals ASAP. Below, I've rounded up my favorite REI styles.…