Saucony Peregrine 12 Women'sThe Saucony Peregrine 12 Running Shoe Women's is named for the fastest bird on earth, and this agile shoe more than lives up to its name. Offering a stripped down (one full ounce lighter than previous builds!) build for blistering speeds, this is your shoe if you want to get comfortable free flying across the trails and forget about speed limits. Upper More minimal upper with pliable overlays protects against trail elements Contains recycled materials