Protect your eyes and enjoy comfort! Very easy-to-adjust and watertight goggles with anti-fog protection for fitness swimmers Large lenses provide excellent peripheral vision; Soft rubber frame gently seals eyes preventing water leakage Easy-to-adjust dual strap for a comfortable fit, self-adjusting nose bridge adapts well to your face Ideal for fitness and recreational swimmers, perfect for your workouts in the pool all year round Whether you prefer a more neutral color or want to catch the eye with brighter shades, you will find the right arena 365 goggles for you in a wide range of colors; 50% Polycarbonate, 30% Thermoplastic Rubber, 20% Silicone