Castelli Linea Logo 15 Sock Kit-Matched. Ready to Ride. The Linea Logo 15 is a daily-ride sock that pairs cleanly with the broader Castelli kit lineup. The socks are crafted from highly-breathable and durable nylon yarns, with a mixed texture construction, providing a great fit and excellent breathability, with a 4/5 Castelli Breathability rating, and 4/5 Lightness rating. Features Highly breathable and durable nylon yarns for exceptional breathability and a lightweight feel15 cm cuff height versatile fit with road and gravel footwear Castelli kit-matched graphics coordinates with the broader Castelli lineup | Castelli | Linea Logo 15 Sock Men's | Size Xx Large In White | Nylon