The militarized Nike SF-Air Force 1 returns in this monochromatic grayscale colorway. Much of the design is consistent with the looks seen on previous releases, with the lone exception being pre-cracked leather on the mid-panel and toe. The familiar ballistic nylon appears throughout the heel and ankle. Two paracord ankle straps provide needed support. SF AF1 QS Style Number: 903270 001 Materials: Leather The militarized Nike SF-Air Force 1 returns in this monochromatic grayscale colorway. Much of the design is consistent with the looks seen on previous releases, with the lone exception being pre-cracked leather on the mid-panel and toe. The familiar ballistic nylon appears throughout the heel and ankle. Two paracord ankle straps provide needed support.