Designed to protect the eye socket from pokes and prods of stationary or very low energy, non-fragmenting objects over 1 mm in diameter. Great for humid environments. Guaranteed not to fog! Reduces visible light by 60%, so it acts like a sunglass to reduce glare. Wrap around frame design with EVA foam provides a great face seal and eye socket protection. Elastic fabric headband is adjustable for a comfortable, secure fit.