ST-6 (Men's) Clearance 89 (US9)Sole thickness: 15mm (Base

89 (US9)Sole thickness: 15mm (Base 11mm＋ Lugs 4mm)Sole：Non-Marking Vibram® Morflex SoleFootbed: MGT（Monkey Grip Technology）

the Ra IV is built to support strong

locked-in fit for confident play at every angle

Vivobarefoot took all they learned from their proven Tracker boot

a minimalist design developed for scrambling and technical movement in rugged outdoor environments—engineered with a focus on grip

ST-6 (Men's) Clearance 89 (US9)Sole thickness: 15mm (BaseST 6 is thoughtfully designed for those who understand that sometimes, when it comes to your shoes, less is more. With a close to barefoot feel, the minimal ZipFoam midsole offers just enough cushioning to provide comfort and protection. Our roomy toe box provides optimal comfort and balance, while the zero drop and collapsible heel counter add to the natural fit and feel this shoe is known for. With ST 6, experience less shoe, more you.