A teardrop aviator metal, for small to medium face shapes, modern and naturally stylish in design. Updated for 2020 with new sports temples, embossed branding detail and soft temple tips. The silver framed Bloc Sunglasses Darwin 2 F927 Silver Grey is beautifully hand finished, formed from a fusion of components for comfort and fit, with a grey category 3 lens. Hypoallergenic anti-slip nose pads and temple tips. Distortion free, impact resistant XTR Karbon8 optical class one lenses provide maximum UV protection and other harmful blue light up to 400nm. Tested to BS EN ISO 12312-1:201.