quick view Choose Options Simpson Adrenaline Driving Shoe - SFI 5 - Black MSRP: $139.95 The Adrenaline is made from satin suede with a fleece fire-retardant lining and is SFI 3.3/5 approved. Triple layer anterior toe area for added wear protection with additional reinforcements in the heel and a speedfit lace closure. The low cut Achilles... Choose Options Add to Wish List Add to My Wish List Create New Wish List Compare