REI Outlet takes an extra 30% off a selection of REI-branded apparel and accessories. (Prices are as marked.) Prices start at $10.09 after discount, and free shipping applies to all orders. Offer ends December 24. Some best bets:
REI offers its REI Flash 18 Backpack in six colors (Dark Grape pictured) for $19.99 with free shipping. That's $4 below our January mention and the lowest total price we've seen. It can be used as a stuff sack or daypack and features a tool loop and cinch closure.
Orders placed by December 17 are guaranteed to arrive by Christmas.
REI offers its REI Waterproof Round Hiker Laces in Black, Gray/Creme, or Tan/Black for 83 cents with free shipping. That's $3 off and the lowest total price we could find. They're available in lengths from 43" to 72", although not in all color/length combinations.