The Sustain Ace Black (Unisex/Youth) is a high-performance cross trainer for active school days and sports activities. Made with breathable air mesh material, it ventilates and cools the foot, with a seamless no-sew upper while still being durable and resistant to scuffing. Featuring an arch-support insole and impressive energy return, it ensures every step feels light and springy, no matter the sport. With a durable perpetual rubber outsole that enhances longevity, the Sustain Ace is built to keep up with kids who never stop moving.
Benefit: Confidence that the perpetual rubber outsole will hold up to the toughest school activities.
What is it: Guarantee that the outsole will not wear through to the midsole within 6 months of purchase date.
Where is it: On the bottom of the shoe where it contacts the ground.
Benefit: Hardest wearing material enhancing the durability and longevity of the shoe. Excellent traction between the shoe and the ground. Non-marking.
What is it: Specially formulated vulcanized rubber.
Where is it: On the bottom of the shoe where it contacts the ground.
Benefit: Arch support insole with increased arch support and more cushioning. Removable, and so able to be replaced with orthotics if needed.
What is it: Specially formulated BUNGEE foam formed to cup around the heel and under the arch (thicker under the arch than our normal arch support insole providing more support). Holes distributed from the forefoot and around the arch, combined with channels moulded into the bottom of the insole promote airflow.
Where is it: Inside the shoe, directly under the foot.
Benefit: Provides great energy return over a long period, so that the spring stays in your step no matter how far you walk or run.
What is it: Bouncy elastic sponge material.
Where is it: Mostly used in the midsole (for a limited number of styles), or the insole.
Benefit: Restricts harmful over-pronation (foot rolling inwards and arch collapsing). On stability trainers, it also provides lateral stability (restricts ankle roll) in typical side-to-side motion dynamics in court and grass sports.
What is it: A firmer density midsole foam.
Where is it: Over-Pronation restricting dual density is on the medial part of the midsole of the shoe. Lateral support dual density extends from the medial arch, right around the heel to the lateral side of the midsole of the shoe.
Benefit: Supports the ankle and holds the heel firmly in place, providing excellent stability when the foot first strikes the ground. A firm heel counter is essential for fundamental support and stability.
What is it: Thermal Rubber material that is shaped to match the contours of your heel.
Where is it: Inside the upper part of the shoe, surrounding the back and sides of the heel.
Benefit: Ventilates and cools the foot.
What is it: Three layer interwoven textile mesh with a fibrous centre, through which air flows freely.
Where is it: On the upper (top part), normally on the vamp and middle section of the shoe, or on the lining of a leather shoe.
Benefit: No abrasive contact points on the upper of the shoe.
What is it: Seamless upper construction.
Where is it: Upper
Benefit: Hard wearing and resistant to scuffing
What is it: Abrasion resistant layer on the surface of synthetic leather.
Where is it: Around the front of the upper.
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