Seashell & Wood Sunglasses with Gray-Black Polarized Lenses. Sunglasses have a notched bridge for an ideal fit. Wood Sunglasses Features: -Handcrafted using sustainable and/or non-endangered woods -Premium TAC polarized lenses which provide UV400 protection, better visual clarity, decreased glare, & are impact & scratch-resistant -Spring flex hinges for a secure & comfortable fit on nearly all face shapes -Arrive in a bamboo case with a microfiber lens-cleaning pouch; shipped in a recycled paper mailer -10 trees planted with Trees for the Future -180-day warranty included -Not suitable for Rx lenses, check our Wood Eyeglass Frames section for Optical frames Seashell Abalone Sunglasses, Notched Bridge Shell & Wood Polarized Sunglasses