Castelli Endurance 15 Socks are designed with comfort as the main priority. A 200 needle construction provides incredible stretch while underfoot cushioning and a midfoot support band hugs the foot for all-day comfort.
Features:
- 200 needle construction provides extra stretch
- Bioceramic yarns for all day comfort
- Underfoot cushioning
- Reinforced heel & toe box
- Midfoot support band











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