At Sleefs, buy one pair of Sleefs Men's Compression Tights (Tactical Thin Blue Line pictured) for $25 and get a second pair for free via coupon code "BOGOTIGHTS". (Add two to your cart, then apply the coupon.) Shipping adds $5. They're available in a wide variety of styles and colors in sizes XS to 2XL, although not in ever size/style/color combination. Deal ends April 27.