River Black - green solid lens

River Black - green solid lens

¥25,300

River Black

¥25,300

Green solid lens

A gently curved square frame that pairs a traditional keyhole bridge with distinctive endpieces for a permanent, versatile spot in our lineup. Meticulously handcrafted for lifelong wear, this timeless staple is guaranteed to outlast your gym membership, your streaming subscriptions, and passing trends.

River
  • Handcrafted from premium, bio-based, biodegradable, and recyclable Mazzucchelli acetate
  • 100% UV protective CR-39 fashion sun lenses
  • Premium 5-barrel OBE stainless steel hinges
  • Teflon-coated hinge screws for lasting durability
  • Includes a protective case, custom box, and microfiber cleaning cloth
River Black - green solid lens
Size

Frame width: 139.9 mm
Frame height: 45.6 mm
Lens width: 47.5 mm
Nose width: 23.5 mm
Temple length: 145 mm

Black Acetate

The essence of timelessness, crafted by blending deep black ink with raw, biodegradable cellulose acetate. Sourced from renewable cotton and wood pulp, this highly durable, hypoallergenic material delivers a classic, uncompromising look with a smaller carbon footprint than synthetic fibers.

River Black - green solid lens
Green solid LENS

A classic, versatile hue popularized by 1930s aviators for its exceptional performance in both glaring sunlight and low-light conditions. This solid green lens sharpens shadows and reduces glare while maintaining a highly natural color balance. For ultimate clarity and eye health, it is finished with premium anti-scratch and anti-reflective coatings, alongside complete 100% UVA/UVB protection.

River Black - green solid lens
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