New Balance NBX Minimus Split Running Shorts. The ultra-lightweight New Balance NBx Minimus Split Short takes athletic style to a whole new level. Featuring an anti-snag back panel and a fitted inner brief with great breathability and odour resistance, plus a secure and discreet back pocket that's perfect for anything from energy gels to your MP3 player. And buy this New Balance NBX Minimus Split Running Shorts Was £34.99 Now £17.49.