Rubber sole Flexible and breathable. The inner structure of the shoe is snug and bends together with the foot. Made of full zones and other mesh zones to ensure solid construction and proper breathability The dual density foam sole and large Max Air unit in the heel provide soft cushioning for maximum comfort and casual style. Big Air The Nike Air Max 270 shoe is inspired by two legendary air icons: Air Max 180 and Air Max 93. It features the largest air unit in the heel of the Nike series for a super soft gait at the height of the unique style. Flexible and breathable. The inner structure of the shoe is snug and bends together with the foot. It is made of full zones and other mesh zones to ensure solid construction and proper breathability where it is needed most. Super soft cushioning. The dual density foam sole and large Max Air unit in the heel provide soft cushioning for maximum comfort and casual style. Everyday.