We really can't get our head around how LIGHT the range topping Zero Gravity race boot from Sabelt is! They are primarily designed for drivers seeking the very lightest race boot available, without compromising on safety, comfort or performance.Ultra-lightweight and incredibly comfortableCarbon fibre insole provides optimal balance of stiffness and dexterity on the pedals3D honeycomb internals offer ultra-high breathability to reduce perspiration and heat build upUltra-thin high grip soleThe Sabelt TB11 Zero Gravity race boots are manufactured in Italy using a fire-retardant printed fabric upper, twinned with a carbon fibre insole to provide ultimate stiffness and dexterity against the pedals. 3D honey-comb internals offer unrivalled breathability whilst a bellowed rear section allows for maximum flexibility in the ankle. Ultra-thin leather reinforcements around the heal area provide extra durability, whilst an ultra-thin high grip oil resistant sole ensures optimum grip on pedals. A conventional lightweight quick lace up system secures closure on the boot.