Amazon takes an extra 25% off men's, women's, and kids' coats, sweaters, and sleepwear via coupon code "25OFFWNTR". Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it starts at $5.) Deal ends December 21. A couple best bets, with prices after coupon:

See all Amazon Coupons.