Louis Garneau - Cycling Ear Cover 2 The Ear Cover 2 is made of Enerblock fabric that is brushed on the inside for warmth. Features a polyurethane membrane and a water-repellent treatment for protection. Hook and loop fastener helps achieve a perfect fit. Reflective accents provide visibility and safety in low light. The Ear Cover 2 is a must-have accessory for cold weather riding.