Merrell Terran 4 Post Sea J006410 brand Volks Walkers X2 TechnologyTM Dynamic Metatarsal Roll 88800061380 X2 TechnologyTM Dynamic Metatarsal Roll Bar: Designed to reduce fore foot movement and pressure Details: waterproof FEATURES• Full grain leather and 70% recycled textile upper• Hook and loop closure system for quick adjustability• 100% recycled webbing• 60% recycled microfiber lining• 60% recycled microfiber wrapped insole• Cleansport NXT™ treated for natural odor control• FloatMax™ Foam integrated insole for a soft and smooth underfoot experience• Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot Simple and unique