Today only, Old Navy takes an extra 30% off men's and women's activewear via coupon code "EXTRA". Plus, bag free shipping on these items via stacking code "MOVE". (Shipping typically adds a flat $7 on orders under $50.) Some exclusions apply, such as Hot Deals and Everyday Steals. A couple of best bets after coupon:

• Old Navy Women's Go-Dry Performance Burnout Racerback Tank from $6.30 ($16 savings)
• Old Navy Men's Go-Dry Cool Micro-Texture Performance T-Shirt from $9.80 (pictured, $17 savings)

See all Old Navy Coupons.