The Tangent is specifically designed to take on aerobic outdoor activities in varying light conditions. The Tangent’s Grilamid nylon frame features vents above the lenses to increase airflow and to preventing fogging and sculpted temple pieces to reinforce
the frame strength without adding weight. The Tangent comes with three pairs of
interchangeable lenses: brown or gray, clear and orange lenses for varying light conditions. SRP $60;
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