Mens giro hrc merino wool cycling socks 2017 an excellent pick for trail or road riders who demand performance with comfort at every step these socks are soft comfortable and durable enough to wear on and off road made using core spun merino wool yarn fibres for superb softness and comfortable warmth when the weather gets cool the skinlife fibres used have antimicrobial properties that also help to wick away moisture away from the skin for lasting freshness reinforced nylon panels at the toe