Nike Air Monarch IV Men's Training Shoe Retail Value: $80.00 CLASSIC SUPPORT AND COMFORT. The Nike Air Monarch IV gives you classic style with real leather and plenty of lightweight Nike Air cushioning to keep you moving in comfort. Leather and synthetic leather team up for durability and classic comfort. An Air-Sole unit runs the length of your foot for cushioning, comfort and support. Rubber sole is durable and provides traction.