Description
Available Versions
STKS 420 Safety Glasses by Bolle Safety - Smoke PC Lens - Crystal Frame - STK42N21E
STKS 420 Smoke Safety Glasses deliver reliable eye protection with a modern, athletic look. Bolle STKS 420 combines comfort, coverage, and sustainable design for demanding work. Engineered by Bollé Safety, these full-frame glasses are built for site use and all-day wear. The streamlined profile helps them feel secure without looking bulky. Integrated protection supports confidence in bright outdoor conditions. STK42N21E is a practical choice for dependable performance and clear vision.
Smoke (Grey) Lens - Outdoor use on-site
- Tint base: Grey
- % Visible Light Trans: 13%
- Blocks extreme sunlight and surface glare for maximum protection
- Maintains true color perception with a neutral grey tint
- Reduces squinting and visual fatigue, even during long exposure hours
The smoke lens suits bright outdoor conditions. It helps reduce glare while supporting clear, comfortable vision. These Smoke Safety Glasses are well-suited to long periods in strong daylight. The neutral grey tint keeps colour perception natural.
Features:
- Sustainably crafted: 32% (plano) and 52% (prescription) recycled polycarbonate
- Crystal-clear vision with PLATINUM: anti-scratch, anti-fog coating
- Enhanced protection comfort: Integrated side shields and upper brow protection for superior coverage
- Prescription-ready: Advanced lens treatments and wide prescription adaptability for precise vision correction
- Smoke Lens Crystal Frame
- Full-frame construction helps the glasses feel secure while maintaining a streamlined profile.
Technical Info
- Weight: 28 g
- Frame Type: Full Frame
- Frame Material: Recycled Polycarbonate
- Frame Colour: Crystal
- Lens Material: Polycarbonate
- Lens Colour: Grey
- Lens Coating: Platinum (Anti-scratch and Anti-fog KN Rated)
- Standards: EN166 - EN172
- Lens marking: GL3 CT 1 CE
- Frame Marking: EN166 FT CE UKCA
For fit and product reference, check the documentation below. It includes the datasheet and size guide for STKS.
Review the guides before purchase if you need sizing support. They also help with technical confirmation and prescription suitability details.
For everyday care, store the glasses carefully and keep the lenses clean. This helps maintain comfort, visibility, and coating performance.
Documentation
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