The guardian glasses, this rugged rectangle style is popular among men with its tough and sporty look. Although deemed stylistic by both fashionistas and casual outdoorsmen alike, the Barricade look isn't for everyone. A flexible plastic frame provides durability second to none. Change your view with yellow, brown, green and black lenses. We've got the style you're looking for. Dare to be bold with these fit-over sunglasses sold in bulk.