Lightweight acetate forms the frame front and temple tips and metal temples feature the etched Calvin Klein logo

The polyamide-injected frame front ensures a lightweight finish and adjustable nose pads provide a personalised fit

Built from virtually indestructible Grilamid

Prada Sunglasses PR20YS 2AU09G Dark Havana Grey Gradient Polarized are a sleek design made of high-quality acetate material that ensures durability and comfort

Bvlgari Sunglasses BV8225B 501/T3 Black Grey Gradient Polarized are a gorgeous square style made from lightweight acetate plastic

Rayban Sunglasses 3449 Silver Grey Gradient 003/8G 59mm Prada Sport Lightweight acetate forms the frameRay Ban Sunglasses 3449 Silver Grey Gradient 003 8G are a classic aviator shape but with a rimless lens that give them a modern contemporary twist that is quite brilliant