The R adds into 2002 version which stands for "Redevelopment". The model is meant for a daily casual wear while still remain the classic running shoes silhouette. High quality nubuck leather, suede and mesh utilized on the upper while TPU branding are placed on the lateral and heel. For the midsole, it borrowed from 860v2 with ABZORB cushioning and N-ergy tech on the forefoot. Lastly, stability wed attached onto quarter of the outsole and paired with durable Ndurance rubber.