Nike Mercurial Superfly Club Firm Ground Football Boots These Nike Mercurial Superfly Club Firm Ground Football Boots have been developed with a Dynamic Fit collar which locks the foot in place and supplies a sock-like feel around the ankle. The boots have moulded studs for superior traction on firm ground surfaces and the Nike Swoosh branding completes the stylish look. > Football Boots > Full lace fastening > Cushioned insole > Dynamic Fit collar > Moulded studs > Mercurial detailing > Nike Swoosh branding