Our overshoes are designed to be simple and effective. The filling in this new three-layer fabric from Italy is a waterproof membrane sandwiched between a soft, warm inner and tough fluorine-free water repellent outer. Features: Thermal x Water Repellent x Windproof Thermal Roubaix polyester inner Fluorine-free Water Repellent outer Waterproof membrane Reinforced sole Windproof Direct Silicone Gripper Reflective details Handmade in Europe Fabric: 100% Italian Polyester Machine wash at 30 degrees Use mild detergent Drip dry in shade Do not iron Do not tumble dry Do not bleach Do not dry clean Do NOT use a fabric softener Avoid washing with velcro STORMSHIELD WATERPROOFING Our StormShield products have been treated with a Durable Water-Repellant finish (DWR), which keeps the outer fabric from becoming saturated so that the breathable barrier can do its job. This coating needs to be replenished periodically, using treatments such as Grangers Spray-On, McNett Revivex, Nikwax TX-Direct and Tectron DWR Treatment.