The Nike Mercurial Superfly 11 Pro is a low-top firm-ground football boot for dry, natural-grass pitches, built for speed. Forefoot Air Zoom cushioning gives a springy feel with every step, while the FlyWeave upper provides a snug, secure fit. Chevron studs help you stop and change direction quickly. It has a snug fit; if you prefer a little more room, go half a size up. Cushioned sockliner.