New Balance 327 Sea Salt Sandstone Women's As recreational running established widespread popularity in the 1970s, the benchmark for running footwear shifted from mere existence to performance. While the era’s designs would be considered simple by today’s standards, the decade stands out as the moment when running shoes truly came into their own. The 327 sheds new light on the ‘70s as a time of innovation by boldly reshaping classic design elements with a thoroughly contemporary outlook.