A best bet is the Rasta Imposta Men's Peanuts Charlie Brown Costume for $49.99 before the above coupon, $37.49 after. With free shipping, that's the lowest total price we could find by $4. It comes in one size fits all.
Of note, buy eight Bausch & Lomb ReNu Multipurpose Contact Lens Solution 12-oz. bottles (96 total ounces) in Fresh or Sensitive for $63.92 (add eight to your cart). Coupon code "15FALL" cuts it to $54.34. Better yet, you'll qualify for 40,000 Walgreens Balance Rewards Points, redeemable for $50 in future Walgreens purchases. With free shipping, and assuming you spend the points, that's $0.54 per bottle and the lowest total price we could find for this quantity by $52.