Through 4/29, take an extra 40% off select Sperry footwear when you apply code 40USA at checkout at Sperry. Shipping is also free with this code. The pictured women's Firefish Python Boat Shoes, for example, drop from $89.95 to $71.96 to $43.18 with the code, making it the best price online by $7. It comes in two colors, and it features a leather and textile upper. Or try these men's Defender Flip Flops, going from $39.95 to $23.97. This is the best price online by $3 when you account for free shipping. Sales tax is charged in most states.