The Balmoral Bamboo Carbon boot is suitable for all seasons. The Bamboo carbon lining wicks away moisture from the skin, so is odour reducing, but also has thermal properties which improve blood circulation, thereby keeping the foot warm. The Vibram sole is lightweight and flexible and has commando cleats for superior grip. This boot has an adjustable gusset for a little extra calf width and every pair of boots ships with two moulded insoles (3mm and 5mm) to assist in getting the perfect fit!