To celebrate the Boston Marathon this year, New Balance and Concepts team up on a special release of Made in the USA 574s. The Northern Lights pack consists of 3 colorways, featuring glow in the dark panels, laces and soles. This marks the first time New Balance has used glow in the dark technology on a USA manufactured shoe. A release is set for today, Saturday, April 13 exclusively at Concepts 37 Brattle St Cambridge MA 02138 in limited numbers. May want to head over now and grab a pair.