New Balance Men's MFCPRLB4 Running Shoe Black/White New and experienced runners alike will appreciate the underfoot ride and innovative technology packed into the New Balance FuelCell Propel v4. Featuring a thick FuelCell midsole combined with a TPU plate, this running shoe is designed to maximize comfort and traction to help keep you moving at top speeds. New Balance Men's MFCPRLB4 Running Shoe Black/White