Merging style, comfort, and control in equal measure, the Aura Pro is a versatile, hardworking Boa boot built to perform in all environments. It features our dual-zone Custom Focus Boa Construction for unlimited, on the-fly micro-adjustability backed by the customizable comfort and heel hold of the Custom Slide Guide, as well as lightweight and flexible V2 WaffleFlex Outsoles that combine our weight-reducing UltraCush midsoles with metatarsal flex grooves designed to improve boardfeel and natural flex. The Aura Pro also includes elevated V2 UltraCush with SmartWool Liners to help you stay warm, dry, and ready for your next run, dual-density V2 PopCush Footbeds for the highest level of impact cushioning with added arch support, the V2 Harness to create a more personalized fit, and Instep Flex Zones for natural ankle flexion in your boot.