The IMPACT range HM74 Sport shoe has an upper that is manufactured using high-quality PU that is part breathable. The IMPACT range has been designed using our extremely popular Henselite lightweight outer sole. The shoe has within the construction of the inner footbed/sole unit an Impact X Technology layer with additional absorption engineered to provide additional comfort for feet and legs whilst on the bowling green. The memory foam inner sole unit adds that extra level of comfort bowlers are looking for.