X Crazyfast.1 LL Firm Ground Soccer Boots - Marinerush PackLACELESS CLEATS THAT OPTIMIZE TRACTION DURING RAPID ACCELERATION. Lace up speed on the pitch. The X Crazyfast. 1 soccer cleats let you blow by defenders without sacrificing control. An Aerocage lining and Aeropacity Speedskin upper work together to provide lightweight stability and a close touch, giving you the confidence to strike at full pace. Beneath, a Speedframe outsole with an Aeroplate inlay transfers energy into explosive acceleration.