An expert-tested, frameless goggle built for outdoor adventurers, the Radium Pro Sigma features two SIGMA™ lenses that amplify contrast and combat fog during intense activity. With tailored comfort and seamless helmet compatibility, it’s designed to elevate performance across any terrain.

Key Features & Benefits

• SIGMA™ Lens Technology
  Enhances contrast and terrain definition so users can read terrain changes more clearly. 

• Dual Lenses Included
  Comes with two lenses covering both sunny (low VLT) and overcast (high VLT) conditions—ensuring vision ready for any weather. 

• Anti-Fog Ventilation System
  Premium airflow design channels air over the lenses to drastically reduce fogging when pushing performance.

• Quick Lens Swap Mechanism
  Fast and tool-free lens replacement allows adaptation to changing light without pausing the session. 

• Custom ID Fit Foam
  Adaptive, triple-layer foam with high-skin contact velvet lining ensures anatomical comfort and seal on varied face shapes. 

• Wide Vision Field
  Frameless vertical and horizontal design offers expansive processing for corners and peripheral movement. 

• Helmet Compatibility & Secure Strap
  Designed to integrate with helmets; silicone-backed strap and dual-slide adjustment ensure secure hold. 

• Protective Case & Microfiber Bag
  Includes micro bag that also cleans the lenses, accompanied by a soft case to guard against scratches.