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JanSport is an American brand of backpacks and collegiate apparel, now owned by VF Corporation, one of the world's largest apparel companies. [1] JanSport is the world's largest backpack maker. Nearly half of all small backpacks sold in the United States are produced by JanSport and its sister brand The North Face , also owned by VF Corporation.
Sunglasses or sun glasses ... under this standard are based on the amount of absorbed light, 0 to 4, with "0" providing some protection from UV radiation and sunglare ...
This page provides a list of the oldest brands and companies operating only in the eyewear manufacturing business to date and in any country. "Eyewear", although a relatively modern terminology, refers to the category of all items and accessories worn over the eyes for fashion adornment, protection against the environment and medical issues, including glasses (also called eyeglasses or ...
[49] [48] Sunglasses make up 42% of the global eyewear market as of 2020. They protect the eyes from sun damage and conjunctivitis, but are also sold as fashion accessories, with many consumers opting to have a number of sunglasses for different occasions. [48] EssilorLuxottica controls a dominant portion of the eyewear retail market.
Typical sunglasses lenses are tinted for protection against bright light or polarized to remove glare; photochromic glasses are clear or lightly tinted in dark or indoor conditions, but turn into sunglasses when they come into contact with ultraviolet light. Most over-the-counter sunglasses do not have corrective power in the lenses; however ...
13th century: Earliest documented snow goggles, a type of sunglasses, made of flattened walrus or caribou ivory are used by the Inuit peoples in the arctic regions of North America. [361] [362] In China, the first sunglasses consisting of flat panes of smoky quartz are documented. [363] [364] 13th century - 14th century: Worm gear cotton gin in ...
Wheelwright came from a family of financial means and agreed to fund the company. After a few early successes developing polarizing filters for sunglasses and photographic filters, Land obtained funding from a series of Wall Street investors for further expansion. [7]: 69 The company was renamed the Polaroid Corporation in 1937. [15] [11]
Persol is an Italian luxury eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots ...