Instead, we recommend using a minimal shoe for one or two of your runs each week...This will strengthen those less developed muscles and help you realise a new and better overall level of fitness...Saucony's ProgridKinvara2 offers the best combination of lightweight materials and structure to give you a shoe that feels like you have nothing on your foot...
"These are the most light weight shoe I have ever Especially love the color! Only down side is that they are a bit narrow..."
"My first run in them was outside and 6 miles..."
"I completed in one of my better run times! They did make my calves pretty sore after the first few runs, but that was to be expected based upon other reviews that I had read about these shoes! I would definitely recommend these to..."