ASAS.USA via Amazon offers the Lapasa Boys' Long Sleeve Rash Guard in several colors (Black/Navy pictured) with prices starting at $12.99. Apply coupon code "ZJNB4CFU" to cut the starting price to $10.39. With free shipping for Prime members, that's $2 to $3 off list and the lowest price we could find. It's available for boys' ages 4 to 12. Deal ends May 31.