Looking for Answers about K-Swiss Vertical Tubes Cali-Mari - Women's?

A barefoot running shoe with zero heel-lift and maximum shock absorbing technology -- the K-Swiss Vertical Tubes Cali-Mari. This shoe features an open air mesh upper with a supportive mid-foot unit, an injected EVA midsole for cushioning and a Vertical Tubes Technology outsole for super-lightweight traction. Taking comfort up a notch, this running shoe houses a removable insole with a massage footbed underneath for versatile comfort when you want it. Wt. 6.0 oz.