Women's SAUCONY® PEREGRINE 13 :: Free your feet with lightweight speed! Your updated Women's Saucony Peregrine 13 trail running shoes maintain the same PWRTRAC outsole and rockguard that make this shoe extra tough, and magical PWRRUN foam midsole that ensures ultimate off-road comfort. But this model lost even more weight (yes, you read that right!). Coming in at just 8.1 oz, you'll be shocked at the mileage you accomplish and energy you save. With sleek new colors and small tweaks to every detail of the shoe, your Peregrine 13 offers an elevated experience while maintaining the comfort and rugged function you love from this series.