SAWTOOTH XL

Classic meets cutting-edge in the Navigator, Zirkel’s most style-forward frame. Its double-bar design and low-profile lenses bring timeless geometry into the future with ultralight, plant-based construction. From alpine airstrips to downtown streets, this frame moves with ease between environments.

Engineered by ZEISS exclusively for Zirkel Optics, FUTR LenZ™ delivers maximum clarity, contrast, and durability—with RiPel™ lens coatings that resist water, oil, dust, and fog in motion.

• 100% Nylon, bio-based FUTR LenZ™ by ZEISS
• Precision-tuned for terrain contrast (TTCO: Terrain-Tuned Contrast Optimization)
• Ultra-lightweight nylon lens with near-zero distortion and chromatic aberration
• Embedded ZEISS RiPel™ coating resists water, oil, smudges, and grime
• Anti-reflective coating on inner lens surface for glare-free clarity
• Scratch-resistant and impact-tested for high-output performance
• Polarized options available for select lenses
• Manufactured with 100% renewable energy in Italy 

Zirkel Optics is a global pioneer in bio-based performance eyewear—where sustainability is engineered into every detail.

• 100% Plant-based Zirtek™ frame material (derived from sustainably farmed castor beans)
• Bio-based FUTR LenZ™ by ZEISS – high-performance nylon lenses
• 100% Renewable energy manufacturing across lenses and frames
• Zero petrochemical plastics in frames
• Zero deforestation, non-food competitive crop sourcing
• Zero mold, zero waste 3D-printed frame production
• 4-way stainless steel flex hinges – durable, recyclable, and European-made
  RiPel™ by ZEISS dual-action hydrophobic + oleophobic lens coatings
• Near-zero manufacturing waste through additive production

• Inspired Resilience Box designed by Jim Harris – a tribute to durability, recovery, and the wild places that shape us
• Protective molded eyewear case made from recycled materials
• Recycled microfiber cleaning cloth
• Care Instructions

This product currently ships to the USA & Canada. If you're interested in buying from a different country please contact us!

Please read our 14-Day Return Policy before checkout.