REI Anniversary Sale guide: member coupons, timing, and best gear to buy

How to maximize the 20% member coupon vs catalog markdowns

The most common mistake shoppers make during the Anniversary Sale is applying their single-use 20% full-price coupon to a low-cost accessory, or trying to apply it to an item that is already marked down in the main sale catalog. According to REI’s coupon rules, the 20% member code applies to one eligible full-price item and one eligible REI Outlet item, and it cannot be combined with existing sale prices.

To get the most out of a single cart, separate your gear list into two buckets before the sale opens:

Bucket 1: Brands on automatic catalog markdown (no coupon needed)

During the eleven-day window, whole brand families or product categories drop by 20% to 30% automatically in the cart. You can buy as many items from these categories as you need without spending your member coupon:

• REI Co-op brand hardware and clothing: Historically marked down 30% for Co-op members across the Flash backpack line, Flexlite camp chairs, Sahara hiking pants, and Rainier rain jackets.
• Brand-wide tent, pad, and bag promotions: Makers such as NEMO Equipment, Big Agnes, and Kelty frequently discount their entire three-season shelter and sleep lines by 20% to 25% during the event. Compare our NEMO Equipment review and best ultralight tents guide to see which freestanding and semi-freestanding models fit your trip profile.
• Footwear, socks, and hydration: Select trail boots, merino wool socks, and water filters regularly receive 20% to 25% catalog reductions.

Bucket 2: Your single highest-ticket full-price item (use the 20% coupon here)

Save your 20% full-price coupon code for the most expensive item on your checklist that is not included in the catalog markdowns. For many backpackers, that means an ultralight Dyneema pack such as the Hyperlite Mountain Gear Southwest 55 from our best backpacking backpacks guide, a specialty down sleeping bag, or a pair of wide-last leather hiking boots from our best hiking boots for wide feet guide.

Standard coupon exclusions to know before you shop

Reviewing REI’s official coupon exclusions prevents checkout surprises. The 20% member coupon never applies to:

• GPS and satellite electronics: Satellite messengers (such as Garmin inReach devices), GPS watches, and personal locator beacons are excluded from the 20% coupon, though individual models sometimes receive dedicated manufacturer rebates during the sale window.
• Hardgoods and wheeled/water sports: Bicycles, bike trainers, kayaks, canoes, paddleboards, roof racks, strollers, skis, snowboards, and snowshoes are excluded.
• Member reward calculation: Under REI membership rules, purchases made with a 20% coupon or bought at a promotional sale price do not earn the annual 10% Co-op Member Reward, because the 20% to 30% immediate discount replaces the 10% year-end rebate.

Best gear categories to buy in May

Because the Anniversary Sale leads directly into summer hiking and backpacking season, use your backpacking checklist or interactive packing list tool to identify gaps in your kit:

1. The Big Three (tent, pack, sleep system): Upgrading a heavy car-camping tent or an uninsulated pad to a lightweight double-wall shelter like the Big Agnes Copper Spur UL2 or a high-R-value pad from our Therm-a-Rest NeoAir XLite NXT vs NEMO Tensor All-Season comparison drops pounds from your base weight while saving the largest total amount.
2. Fitted backpacks with in-store or 1-year return security: Because torso length and hipbelt wrap vary by body shape, buying a pack from our Osprey backpacks review during the sale lets you dial in the harness fit backed by REI’s one-year member return window and Osprey’s All Mighty Guarantee.
3. Stoves and water filters: Before summer alpine trips begin, compare integrated versus modular burners in our MSR PocketRocket 2 vs Jetboil Flash guide and hollow-fiber filters in our Sawyer Squeeze vs Platypus QuickDraw breakdown.
4. Socks and footwear: If you are breaking in new footwear for summer trails, pair them with merino wool socks from our Darn Tough vs Smartwool hiking socks comparison and follow our guide on how to break in hiking boots.

If you miss the May window, the next comparable storewide event is late August’s Labor Day outdoor gear sales (also covered in our end-of-season gear clearance guide) followed by mid-November’s Black Friday outdoor gear deals.

How we chose

We don’t test gear ourselves. Our recommendations for the REI Anniversary Sale come from manufacturer technical specifications, ASTM and ISO laboratory ratings, warranty policies, and verified owner review patterns across major outdoor retailers.

We never recommend a product simply because it is discounted, and affiliate commissions never influence our picks. For a complete explanation of how we evaluate materials, weights, and warranties, visit our gear selection methodology.