Fitsok makes performance socks for runners and hikers in North Carolina. Its first socks were produced in 2008, and its range includes multipacks designed for regular training.
Same category, HQ in USA
ALAltra makes road and trail running shoes built around its FootShape fit, a roomy toe box that lets toes splay, and a zero-to-low drop that balances weight across the foot. Its lineup includes the Vanish Carbon race shoes, Olympus and Experience Wild trail shoes, with FootShape offered in several fit options. Altra is part of VF Corporation, which completed its acquisition in 2018 and still lists it among its brands.
Road and trail running footwear
BABalega focuses on high-performance socks built around fit, cushioning and moisture management. Its designs draw on more than 20 years of research and are made for running, hiking and other active pursuits; the site lists Implus LLC as the contact company. Implus includes Balega in its brand and sustainability materials, confirming the corporate relationship beyond the contact listing.
Performance running socks
BLBlack Diamond makes gear and apparel for climbing, skiing, running and hiking, including harnesses such as the Solution, headlamps, shells and climbing clothing. Its heritage traces back to Chouinard Equipment and a backyard anvil and hammer; in 1972 Yvon Chouinard and Tom Frost published the Clean Climbing Manifesto in the Chouinard Equipment catalog.
Sports apparel and footwear
COColumbia Sportswear makes outdoor clothing, outerwear, sportswear, footwear, bags and gear built to handle the weather. Gert Boyle took over the struggling family business in 1970 and turned it into a leading company, and Columbia Sportswear Company is now one of the largest outdoor and active lifestyle apparel and footwear companies in the world, with a portfolio of well-known brands. Columbia Sportswear Company identifies Columbia, Mountain Hardwear, SOREL and prAna as the four primary brands in its outdoor portfolio.
Outdoor apparel and footwear
HOHOKA is a performance footwear brand for road running, trail running and hiking. It was born in the French Alps in 2009, when two athletes set out to design a running shoe that made downhill running feel like flying, and its shoes quickly won over elite ultramarathoners. HOKA's site tells its story as part of Deckers Brands, the company that began with a surf flip-flop in Santa Barbara in 1973 and grew into a multi-brand footwear group.
Road and trail running footwear
INCalifornia-based Injinji designs patented five-toe socks to let toes spread naturally and reduce friction inside shoes. Its seamless designs are used by runners, hikers and other active people, and its terms give a San Diego company address.
Five-toe performance socks
SMSmartwool makes Merino-wool socks, base layers and outdoor apparel for hiking, running and snow sports. Founded in Steamboat Springs, Colorado, in 1994, it began with Merino ski socks and expanded into a wider clothing range. Its current US privacy policy says Smartwool is a division of VF Outdoor LLC, a VF Corporation subsidiary; the brand also says it works with the New Zealand Merino Company on the ZQRX wool programme.
Sports apparel and footwear
THThe North Face makes outdoor clothing, footwear and equipment for hiking, climbing and other mountain activities. Its own story traces the brand to a San Francisco shop started by Doug Tompkins in 1966. VF Corporation lists The North Face among its brands, distinguishing current group ownership from the original shop story. Performance and sustainability statements on product pages are the brand's own claims and vary by item.
Outdoor apparel and mountain equipment
