Costco Sale: Champion Elite Men’s Boxer Brief 4-Pk $9.99

*UPDATE* 2/12/19. Champion Vapor Technology with X-Temp is designed to help you maintain a more optimal temperature to keep you comfortable all day long (at least that’s what the packaging says). Costco has the Champion Men’s Boxer Brief 4-Pack on sale for $9.99 (after instant savings), now through February 17, 2019. That is $3 off Costco’s regular price of $12.99. While supplies last. Features: • No ride up – stays…