Reebok Easytone go outside

Reebok Easytone go outside uses balance pods built into the shoes to create a natural instability, much like walking on a sandy beach, that encourage toning in 3 key areas of the leg--your hamstrings, gluteus maximus, and calves. You're always toning with EasyTone--even when you're standing. The Reebok Easy Tone Shoes natural instability encourages toning ? Perforated synthetic leather upper ? Breathable textile lining ? Removable cushioned insole ? Flexible, durable rubber sole ? SmoothFit for an irritation-free fit ? DMX Max moves air from heel-to-toe ? Built-in balance pods encourage toning ? Design is similar to walking on a sandy beach ? Helps tone hamstrings, gluteus maximum and calves.