The Castelli Rosso Corsa Pro Socks are tailored to keep your feet as comfortable and fresh as possible. The socks have a unique 200-needle knit that provides the right level of compression, stretch and cushioning for every part of the foot. The design is also asymmetrical with left and right foot specific shapes. Meryl Skinlife yarns with antimicrobial silver ions reduce odour. Key Features 9cm cuff height Reflective tab at centre back Cushioning under the ball of the foot Meryl Skinlife yarns for freshness Compressive midfoot support band 200-needle construction for extra stretch Asymmetrical design to mirror left and right foot Multiple structure knit for targeted performance