The Castelli Entrata 9 Sock is the comfortable sock designed to keep your feet happy from the beginning of the ride and to the end. The quality blend of fabrics allows these socks to be highly breathable while providing the right amount of cushioning and support through the midfoot. The 9 cm cuff length provides ankle coverage and the Polypropylene yarns keep your foot cool in hot summer weather to keep you pedaling for miles. Polypropylene yarns that don’t absorb moisture Mix of fabrics for breathability and cushioning Midfoot support band 9 cm height