The Asics Japan Thunder 4 Distance Running Spikes feature a Decoupled Pebax Spike Plate in the sole into which the spikes are screwed which enhances the natural foot movement through improved flexibility.

SharkDuo Outsole material provides increased traction on various track surfaces.

Asymmetrical Lacing Design which follows the natural curve of the foot giving a better fit and reducing the potential for irritation.

SoLyte Midsole Material, a Spongy layer between the sole and upper designed to absorb shock and cushion the foot.
Solyte is a lighter material than SpEVA and EVA and features enhanced durability.

Ecsaine and Open Mesh Upper materials which create a glove-like fit with maximum breathability.

Removable Spikes in the sole which can be removed to allow customisation of the spike configuration.

Unisex Design.

Weight: 135g.