The Barton Perreira Bolsha in Manuka Gradient pairs a thick, squared zyl acetate frame with Smokey Topaz (AR) lenses. Handmade in Japan, its sculpted frame surrounds CR-39 lenses with an anti-reflective coating.

Measurements are 54mm lens width, a 19mm bridge and 143mm temples.

• Frame: Manuka Gradient, zyl acetate
• Lens: Smokey Topaz (AR), CR-39
• Measurements: 54-19-143
• Includes a case and cleaning cloth; lining and cloth design may vary