LeMieux Arika Waterproof Exercise Sheet Navy. Keep your horse warm, dry and protected from the wind during your ride with the LeMieux Arika Waterproof Exercise Sheet. The Arika exercise sheet has been developed to ensure your horse is protected from the cold and wet weather elements. Designed with a cut-out around the saddle for a secure fit making it ideal for those wet and windy days as well as allowing uninterrupted movement for the rider\\\'s legs. Offering a durable, waterproof outer with a micro fleece lining inner to help disperse sweat whilst creating a barrier from your horse\\\'s coat. Complete with a one-touch Velcro closure at the wither, reflective panels and a rear soft cord fillet strap. Whether you\\\'re warming up or cooling down when schooling or out hacking, keep your horse warm and protected in the Arika Exercise Sheet.