REI-Outlet cuts 50% to 77% off a selection of apparel, shoes, and gear during its Mega Deals Sale, with prices starting from $2.73. (The banner states 50% to 70% off, but we found larger discounts.) Shipping starts at $5.99, or get free shipping on orders of $50 or more. Some sizes are limited. Deal ends October 13. A couple of best bets: