Randolph Engineering, Inc. is an American manufacturer of sunglasses. All glasses are made at the U.S. location in Randolph, Massachusetts using only a handful of international components. Randolph provides eyewear for many government agencies, ranging from sunglasses for air force pilots to eyewear for submarine personnel. They include other specialty lines of sunglasses for police, security personnel, outdoor sports enthusiasts and other sight-critical occupations and outdoor enthusiasts Size: 55-20-140 Information about the lenses Type de verres: Agx Lenses color: green Protection factor: 3* Polarized lenses: no Gradient lenses: no Photochromic lenses: no Mirror lenses: no *Category 3 lenses are suited to most periods of sunlight, when you are in direct sunlight in a medium-altitude mountain, in town or at the beach. They provide a perfect sun protection (against UVA / UVB) and considerably reduce glare. They are highly recommended when you are intensely exposed to strong sunlight (mountain, sea...). It is the highest category authorized for driving. Handcrafted in 200+ steps in Massachusetts, USA using the finest components 100% UVA/UVB Protection Warranted for life against manufacturer’s defects Adjustable cushioned silicon nose pads for customized fit