Comfortable? Of Course Flexible silicone frame and improved higher nosepiece provide extreme comfort that never hurt your nose or leave a mark on your face.^Fog-up? No The inner surfaces of the lenses are anti-fog coated by the latest Environmental Treatment Technology which enhances the anti-fog ability of the goggles and does no harm to your face.^Leaking? No Premium silicone material and Ergonomic design used on the goggles ensure a snug fit on different facial forms and never allows water leak in.^Stylish look? Absolutely The colorful outer surface of the lenses with UV-Protection coating which enables the lenses to reflect harmful UV rays and protect your eyes from heat and damage of the sunrays. With the fashionable color, we strongly believe that the goggles are high-fashion and will make you stand out of the crowd.^High-Performence Polycarbonate lenses stay strong even in the toughest conditions. Well-designed clasp make it easy to put goggles on and take off without pulling hair. Caution: customers who are allergic to silicone please don't buy this product. ^