AETREX. BB270. FIONA BOOT. BLACK ON BLACK. Fully lined with ultra-soft faux fur and waterproof neoprene the Fiona is the perfect weatherproof boot. Designed with orthotic insoles this boot provides arch support and helps relieve plantar fasciitis. With slip-resistant outsoles stretchy flexible material this rugged lace-up boot not only keeps your feet pain free but also has you covered in the cold the rain.