Actor Rob Lowe, as Senator Robert McCallister, wears Ray-Ban 3025 sunglasses (also known as the Ray-Ban Aviator) in the series Brothers and Sisters. The sunglasses can be seen in the first episode of Season 3 (episode 301, Glass Houses). The exact color of the Ray-Ban sunglasses that Rob Lowe is wearing is Black frame and Gray (non-polarized) lenses, color-code 002.

The Ray-Ban RB3025 Aviator is available in several sizes and color combinations. 

The Ray-Ban RB3025 Aviator is available in several sizes, colors and with polarized lenses:

Shop at Ray-Ban ($230 $180 polarized)
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Shop at Amazon ($230 $180 polarized)
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Shop at Amazon ($180 non-polarized)
200+ bought in past month - ⭐ 4.6

Reference: Ray-Ban RB 3025 - Color: Black frame, Gray Green lenses (code 002)