Vin are 100% waterproof and hardwearing over-pants with taped seams that are made from breathable fabric. They have a fleece inner lining that provides good insulation. Reflective details down the sides of the legs. Hardwearing and detachable silicone foot straps ensure that they do not ride up. They feature our “Extend size” function, which means that they can be extended by up to one size by unpicking the relevant seams. PFC-free water-repellent finish. Material: 100% polyester