It's not just their futuristic design that makes Arena's new FINA-approved Cobra Core Swipe Mirror goggles so attractive. Their anti-fogging function also lasts 10 times longer! If they do fog up, simply wipe your fingers to restore clear vision! Designed for competitive swimming, these goggles offer excellent vision, maximum comfort and low drag at top speed. With mirrored lenses and UV protection, they are ideal for indoor and outdoor swimming. Recommended for triathlons.