LeMieux Diamante Acoustic Ear Bonnet Westinghouse Small Appliances and Kitchenware Australia. We love that these newly designed Acoustic Diamante Ear Bonnets which maintain all the fantastic qualities from our Acoustic range, with an improved fit to accommodate the more anatomical style bridle head pieces. The deeper section behind the ears gives a secure fit with the ergonomic, low profile shape around the ears, providing ultimate comfort. Sharp noise is absorbed by a layer of dense soundproof micro foam Inner lining of ultra soft bamboo ensures maximum comfort Three way advanced fabric technology Increased concentration and relaxation Soft elastane outer for the perfect fit Added a touch of sparkle with diamantes These acoustic ear bonnets are British Dressage legal in accordance with rule no. 134: "Ear Covers and Ear Bonnet Ear Covers and Ear Bonnets are permitted for all competitions, and may also provide noise reduction. Ear cover ear bonnets must not cover the horse's eyes. The cover hood should be discreet in color and design."