The Mac in a Sac Unisex Waterproof Origin Overtrousers are a fantastic design that pack away neatly into a small bag, meaning they are ideal to be kept in your tack room or lorry for those unexpected showers! These superb trousers are breathable, windproof and waterproof, featuring fully taped seams to ensure the elements stay out. The elasticated waist makes them easy to pull on, while the Velcro lower leg fastenings offer a comfortable fit. The Origin Overtrousers are finished with smart reflective branding.