Your new favorite lightweight minimalist shoe for everything you do Natural FIT a wide toe box lets your toes spread and relax. XERO-drop sole (non-elevated heel and low-to-the ground allows for proper posture, balance and agility. Natural MOTION flexible enough to let your feet bend, move, and flex the way, well, that feet are supposed to. Plus, theyre so light weight, youll barely know you have them on. Natural FEEL The Prio uses the same 5.5mm FeelTrue rubber from our Z-Trek sandal, so you get great protection while still getting the ground feedback that your feet like. Vegan friendly materials No animal products in the Prio. Reflective straps That middle section of the heel and instep straps is highly reflective for evenings and night.