The Magnum Cardio 4:SYS Training Shoe features the 4:SYS cushioned running midsole for the ultimate in cross training comfort.
4:SYS Technology - 4:SYS technology is the culmination of two years of intensive research and testing into the dynamics of the foot. It delivers more efficiency to the wearer by allowing the foot to move naturally and adding more cushioning and support where it is most needed.
- Breathable mesh upper
- Moisture wicking lining
- Exo-skeletal TPU foot locking for 360 degree support
- Flex zone for comfort
- 4:SYS, six density PU/CMEVA backpacking midsole
- Non-marking Carbon Rubber outsole