Nike offers the Converse Unisex Thunderbolt '84 Shoes in Soar Blue or Black for $54.97. Coupon code "BONUS20" drops it to $43.98. Nike+ members receive free shipping. (Not a member? It's free to join.) That's the lowest price we could find by $26. They're available in most sizes from men's 3 to 13 and women's 4.5 to 14.5. Deal ends May 16.