The Hoka One One Gaviota Stability Running Shoe is a reliable and enduring runner that offers cushioning and comfort. The stability comes in the form of J-Frame technology, which utilizes RMAT which is a sturdier and more durable material. J-Frame technology wraps around the heel and continues throughout the metatarsal head and medial side for stability which is optimal for overpronators in the forefoot. J-Frame technology for stability and support For moderate to severe overpronation. Padded tongue for additional comfort.