NATURAL FIT These super comfortable shoes are made with a wide toe box that lets your toes spread and relax. The low-to-the-ground "XERO-drop" sole enhances balance and agility while the non-elevated heel promotes proper posture. 5,000-MILE PROMISE. Big shoe companies recommend replacing your shoes every 300-500 miles. We've designed our shoes to last 5,000 miles and they come with a 24-month manufacturer's protection. NATURAL MOTION The flexible design allows your feet to flex, bend and move just how nature intended. Plus they are so lightweight, you'll barely know you have them on. A women's 7 is only 6.4 ounces each! ADJUSTABLE INSTEP STRAP The inverted V straps lock in you instep while keeping your movement free. A huarache sandal-inspired reflective lacing system keep you visible at all hours. VEGAN-FRIENDLY MATERIALS XERO Shoes are made with non-animal products, making them suitable for vegans. NATURAL FEEL Prio has a 5.5mm FeelTrue rubber sole, giving you great protection but you still feel the direct connection and feedback from the ground. With an optional 2mm insole, the Prio lets you Feel The World.