A fully waterproof, breathable, foldable, sherpa-lined ear warmer cap. Signature Aquasealz™ technology combines complete waterproofness with breathability, letting excess heat and perspiration escape. The sherpa fleece lining is soft to the touch and insulative, perfect for use across all seasons. Ear flaps can be fastened up when not in use, offering versatility. Foldable peak design makes packing away in a pocket easy. Both Sealskinz and Simms deliver products built to last, engineered to endure, and built to withstand the harshest environments time and again.