The forefoot of the 2-piece outsole features RS3.5mm rubber combined with a fish hook midsole. This provides a direct feel as if gripping footholds with your toes and exhibits otherworldly friction for precise smearing. - The inside of the forefoot outsole is extended to improve smearing performance on the inside. - The heel features RH3.5mm and a highly rigid midsole, providing all-around compatibility with various heel hook shapes while fitting snugly to the heel's contours for excellent adaptability. - A VD toe rubber patch covers a large portion of the forefoot, accommodating delicate and precise toe hooks. - A slingshot that firmly lifts the arch, along with a simple yet durable single velcro and split tongue, ensures easy entry while providing an excellent fit.