Through December 9, you can take 25% off of any one item at the REI Outlet online when you use the code CYBERDEAL19 at checkout. Plus, shipping is free on some items otherwise shipping is free on orders of $50+.
One of the items you could use this code on is this 32 oz Hydro Flask Tumbler that comes in Mint or Lava colors. With the coupon code you will pay just $17.80 (reg. $39.95). Look around there are tons of other deals from brands like North Face, Salomon, Patagonia and more!