SAWTOOTH SINGLE

Built for alpine missions and daily grit, the Sawtooth Single delivers rugged clarity in a minimalist package. With a fixed single lens and ventilated side shields, it’s made for high-altitude exposure, technical ascents, and fast transitions. Designed to eliminate excess while maximizing performance, this frame is ideal for mountain athletes who value simplicity, durability, and focus.

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.