Dedicated cyclists rely on Castelli 's comfortable gear. - Designed for optimal arch support, these 'Free Kit 13' socks have been made in Italy from lightweight, breathable stretch-nylon - Antibacterial Meryl® Skinlife yarns promote your skin's natural pH balance and prevent odours - High cuffs cover and protect the ankles - - Tonal-red and white stretch-nylon - 85% nylon, 15% elastane - Machine wash - Made in Italy