Thermalite Fabric - keeps you warm in cold cycling conditions. Durable and hard wearing fabric great for when your tracksters are constantly standing up to whatever nature throws at them. Durable Water Repellent treatment to fabric to help repel rain showers and prolong the life of the trackster Calf reflective piping to make you more visible in low light conditions, essential for winter months. 2 front zipped hand pockets to help you carry essential items such as keys, money or a mobile phone.