Hawk HB199S.702 Racing Pad - HT-10 Compound Category_Pit Boards the helmet includes two top-front

the helmet includes two top-front vents

and it won't measure height while your car is on scales

A slight reduction of the friction value improves the modulation (controllability)

Measuring 350mm in diameter

Available in Youth and Adult sizes to match kart neck‑circumference requirements

Hawk HB199S.702 Racing Pad - HT-10 Compound Category_Pit Boards the helmet includes two top-frontThe Hawk Performance HT 10 compound is a great pad for intermediate drivers that want a streetable pad that still offers superior performance. It has a very smooth initial bite and provides a consistent pedal feel. The HT 10 delivers medium to high torque over a significant temperature range to help increase your track day performance.