The Premium soft silicone material and Ergonomic design used on the goggles ensure a snug fit on different facial forms and never allows water leak in. It can protect your eyes from dirt and prevent irritation and blood shot eyes. The swim goggles are made with hypoallergenic silicone frames that mould to the shape of faces, preventing rubbing for ultimate wearing comfort and helps to reduce marking around eyes after swimming. The impact-resistant PC lenses provide higher waterproof performance, reduce the pressure around the eyes and let you enjoy swimming.