Your Position: Home > Nike Shoes > Nike Air Max 91 Men Shoes > Nike air Max 91 Mens Metallic Summit White Neutral Grey Black InfrareTheNike Air Max 91 was also the first Nike shoe to have an Air Max heel which was compressed to different pressures. The air pressure ranges from a low 5PSI in the back of the heel to 25PSI directly underneith the heel to provide optimal cushioning. Not only did theNike Air Max 91 units provide second to none cushioning, but it provided great heel support.
