Shop the Nike Air Force 1 '07 Next Nature 'White Obsidian' HF4298-100. Upgrade your Sneakers collection today! Closure: lacing. Toe type: round toe. Heel type: flat heel. These trainers feature a classic round toe and flat heel, secured with a lacing closure for a comfortable and adjustable fit. Crafted with durable leather for a premium feel and long-lasting wear.