- Synthetic
- Imported
- Rubber sole
- Shaft measures approximately low-top from arch
- Flex grooves in the outsole promote natural flexibility
- Knit fabric conforms to your foot for a snug feel
- Rounded heel promotes a natural range of motion
NIKE flex experience front 8 men’s running shoe delivers snug, dynamic comfort on your run—and beyond. Mesh around the heel along with flex grooves in the outsole encourage a natural ride that adapts to your every step.