| Extreme Response in a Cushioned Trainer! If you like the cushioning in a running shoe the Brooks Illusion is a favorite of the high-mileage runner seeking a true cushioned trainer, who has a small- to medium-frame build and medium to high arches.HydrowFlow CushioningSuper-durable rubber compound in the heel means longer wearSubstance 257resists compression for a great ride from mile 1 through mile 400 |