Batten down the hatches, is an old seafarer’s cry to prepare for a storm. And with these smoking, semi-rimless sunglasses, you’ll be ready for anything. Their nylon material and integral hinges make them extra seaworthy.FeaturesComfortable large fit.Integral hinge.Tough as nails rimless nylon frame.Includes hard case.100% UV light blockage for max protection.100% polarization kills reflected glare and reduces eye strain.Built by hand and backed for life. Every pair of Costas include a lifetime warranty.Plastic lenses are lightweight, impact- and scratch-resistant.Glass lenses have the greatest clarity and are scratch resistant.This style is not prescription ready