This 3D Block Out Sleep Mask is designed for optimal comfort and effective light blocking. Its ergonomic shape fits the natural contours of your face without applying pressure on the eyes, allowing you to fall asleep faster and enjoy deeper rest. The mask’s unique 3D design lets you open your eyes without disturbing the mask or lashes, making it ideal for travel. Adjustable straps ensure a secure fit, while the breathable, lightweight material enhances comfort. Simple to maintain with hand washing, this sleep mask is an essential tool for triathletes who require consistent rest, as well as for travelers heading to interstate or international competitions, ensuring they arrive refreshed and prepared.