BLACK DIAMOND Cosmo 350 LED Headlamp - Waterproof, Dimmable, Red Light Mode for Camping, Hiking, Running, Work - Dark Olive

About this item

• Mountaineering and trekking, camping, running, urban outdoor
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
• One size
• 1. Approach that considers various aspects of optical lens design
• 2. Optical lens design with multiple facets
• 3. Design of optical lens that has many aspects
• 4. Lens design with multiple facets and angles
• 5. Optical lens design that is multifaceted and complex