Jazz up your daily activities in the Ray-Ban Liteforce RB4179 sunglasses in matte black with green polarised lenses. The Liteforce RB4179 excels in comfort and style, with a barely-there weight that can be worn all day comfortably, this style is the perfect everyday pair. The Ray-Ban Liteforce sunglasses are a great style for men due to their classic rectangular shape with a curved top bar and slim temples that make them look the part for all occasions.