The Olympus 3 has been completely revamped for more support, stability and traction on any terrain. The upper mesh is more breathable and durable and features printed mountain graphics, and a 4-point GaiterTrap(TM). The midsole is more flexible and responsive now thanks to the addition of InnerFlex and shaving down the stack height by 2mm. The Vibram MegaGrip outsole has been widened in the heel area for increased stability, and the middle groove has also been widened for better traction in wet conditions.FeaturesFootShape Toe Box: Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents.Zero Drop Platform: Places your heel and forefoot the same distance from the ground to encourage proper, low-import form throughout your trail run.InnerFlex: Grid-like grooves tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe.TrailClaw: Canted lugs positioned strategicall beneath the metatarsals to provide traction at the toe off.ibram MegaGrip: A high preformance sticky rubber compound featuring unparalleled grip on wet and dry surfaces, rugged longevity and optimal ground adaptability.