AERIOS FL 2 SHOE in Black/Relic This is your shoe for ambitious hikes and spontaneous adventure. Made for fast, light, confident travel on technical trails, its trail-run inspired design is bolstered with a Vibram® Megagrip outsole, compressed EVA midsole, and integrated TPU shank for grip, stability, and support. The breathable, flexible upper is made from a durable – and 100% recycled – polyester mesh, the lacing system wraps the foot for a natural fit, raised perimeter sidewalls add protection, and its clean design combines performance with a streamlined aesthetic