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District Vision Keiichi Standard Tortoise D+ Blue Mirror - achilles heel

District Vision Keiichi Standard Tortoise D+ Blue Mirror

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  • Regular price £230.00
    Tax included.
    • Made in Japan

      The Keiichi performance eyewear system was developed over a two year technical testing period, involving New York City athletes and Japanese engineering. The frame features D+ lens technology, rubber/titanium nose pad and temple tips.

      Titanium Grade 2 Core

      Our frames are crafted with a titanium grade 2 core, providing strength while retaining flexibility. Grade 2 ensures durability along with a high level of corrosion resistance, making it a material widely utilized in aerospace applications.

      Research & Development

      District Vision researches and develops tools for outdoor pursuits. We have collaborated with athletes to produce the world's first proprietary Japanese eyewear system. With all our products, we maintain the methodology of Kaizen, the concept of continuous improvement, to make the finest tools for athletes.

      Clarity and Protection

      The Sports Lens of the Future

      D+ Indigo Mirror was developed for physical pursuits requiring maximum sun protection. The mirror coating facilitates additional infrared screening. The lens offers 100% UVA/B protection while transmitting 10.63% of visible light and 4.05% of blue light. Athletes often forget sunglasses are a medical device. Unlike our skin, our eyes do not contain melanin. This means each tim

      Lens Visible Light UVA / UVB Blue Light
      D+ Water Grey 10.76% 0% 8.83%
      D+ G15 11.57% 0% 7.21%
      D+ Black Rose 15-31% 0% 14.19%
      D+ Sports Yellow 74.40% 0% 31.67%
      D+ Ember Orange 55.42% 0% 5.24%
      D+ Silver Flash 10.29% 0% 9.70%
    • We offer free tracked UK delivery on all orders over £80. Shipping to Ireland is also available, just select at checkout for shipping options.
      You can also choose free Click & Collect from our Glasgow store, and catch up with our running experts in-store when you pop in to collect your order.  Find out more.
    • Not quite sure about your purchase? No problem - just return it to us, free of charge (UK), within 28 days for a full refund. We also offer free UK exchanges if you need to swap your size.  Find out more.
    • If you're not sure about your international shoe size then check out the conversion charts for an approximate equivalent in US and EU shoe sizes. Please contact us if you require any advice on sizing.