The Kilpi CARACO-U sunglasses have a very light frameless construction, with replaceable shaped lenses. Replacing the lenses takes a few seconds. Release the lock to remove the glass from the temples and you can choose from clear or yellow fog lenses. These lightweight full-face glasses are ideal for runners, athletes and cyclists. The shape of the glasses surrounds the face and fits nicely to the face. The non-slip silicone temples and nose seat hold well and do not slip. Dark lens category 3 is suitable for bright and very bright sunny days. The transmittance of dark lenses is 8-18%, UV 400. The package includes a sturdy padded case and a soft bag for cleaning glasses. The weight of the goggles is 35g. Kilpi CARACO-U we have a choice in two frame colors. Instructions and Declaration of Conformity available at: www. kilpi. cz/prohlaseni Manufacturer: PONATURE s. r. o. , U Hrůbků 251/119, 709 00 Ostrava, Czech republic Material composition: 100% polycarbonate, rubber.