- Nike - Boys - Air Max 90 Lace Up Sneakers - Black - Size 12 C - Good Condition These sporty kicks are designed for comfort, with a Phylon midsole that provides stability and stands up to plenty of wear and tear. It cushions your child’s steps and provides stability for their growing feet. The rubber outsole is durable and resistant to damage, and it has a waffle tread pattern for a sure grip on all kinds of surfaces. The Nike Air Max 90 is a great all-purpose sneaker because it delivers great traction indoors and outdoors for active kids.