Castelli Lowboy 2 Socks For Comfort and Cooling Choosing the right socks for your ride doesn't have to be difficult. The Castelli Lowboy 2 Socks are premium socks for comfort and cooling on both long-distance and intense rides. They feature a multiple-structure knit to get the right performance in every part of the sock. The socks also have a compressive midfoot support band, asymmetrical construction to mirror the shape of the foot, and a cushioning pad under the ball of the foot. Features Meryl Skinlife yarns with antimicrobial silver ions to reduce odors Multiple-structure knit to get the right performance in every part of the sock Asymmetrical construction to mirror the shape of the foot Sizing Size Small/Medium Large/Extra Large XX-Large US Shoe Size4 - 78 - 1011 - 14Men's Euro Shoe Size36 - 3940 - 4344 - 47 | Castelli | Lowboy 2 Sock Men's | Size Xx Large In White