Brown Photochromic Glasses – Tortoise Round TR90 Frame

Warm Contrast for Changing Light

Brown photochromic lenses stay clearer indoors and darken outdoors in sunlight—adding a warm tone that brings extra depth on trail & terrain days and course walks. When the light shifts from shade to open sky, they help take the edge off harsh glare without looking overly dark inside. Paired with the Tortoise Round TR90 Frame round frame in Tortoise, the ultra-light TR90 build keeps the vibe classic and easy. The result is one pair that moves smoothly from coffee runs to weekend adventures.

• Lenses: Brown photochromic lenses stay clearer indoors, then darken outdoors in sunlight (UV-activated), adding a warm tone for contrast and depth.
• Frame: Tortoise Round TR90 Frame round, full-rim TR90 frame in Tortoise—warm amber tortoise look with a classic, easy curve.
• Build: Flexible, impact-resistant TR90 designed to feel air-light for all-day comfort.
• Fit: Medium fit profile (50-23-148) with a 144 frame width.
• Face Shapes: Oval, square, heart-shaped, and diamond faces.
• Best For: Trail & terrain days, course walks, and coffee runs between shade and open sky.