The TYR Ultralite Swim Snorkel 2.0 has a durable, hypoallergenic DuraFit Silicone padding offers a comfortable fit that keeps its shape over time. Features Ultralite swim snorkel Provides focused body alignment training Sliding head piece: For targeted positioning Hydrodynamic tube shape: For fast movement and greater stability Simple, secure release buttons on the back of the strap: For quick, easy adjustment DuraFit Silicone Padding: Durable, hypoallergenic silicone padding for a comfortable, durable fit Removable, easy-to-clean, liquid silicone mouthpiece: For a durable, comfortable design and maintained shape Moderate, advanced cardio training caps included for swimmers wanting to build lung capacity One-way purge valve: For clear, easy breathing Lightweight construction Details Material(s): Silicone Adjustable: Yes Product Weight: 175g