- Eastern Mountain Sports - The Mall of New Hampshire was founded in 1967 in Wellesley Massachusetts by two rock climbers who had become dissatisfied with the poor selection of climbing equipment they found in existing stores. In addition to selling climbing gear, they added the selection of camping equipment in hopes of making money to the hobby that had turned into the viable business.- From this small store outside Boston Massachusetts, EMS has grown into one of the nation's leading outdoor specialty retailers, with more than 80 retail stores, as well as the formidable online presence. The company is now based in Peterborough, New Hampshire.designs or offers the wide variety of gear or clothing for outdoor enthusiasts-from backpacks or insulated parkas to cycling gear or summer shorts.- The backcountry veterans who staff our product development or quality assurance teams share an unshakable goal: to provide our customers with uncompromising quality at prices that reflect honest value.- Much of our product is evaluated by the EMS Climbing School, with Mount Washington - home of the world's worst weather - as our testing lab.