SG
Xtreme 4.0

Heel with shock-absorbing foam for superior cushioning.
Extra HP-PU reinforcement on toe for extra durability.
Extra durable heel counter for shock-absorbing and added stability during landing.
Lightweight EVA mid-sole for superior
Extra EVA lining below the in-sock for extra cushioning and reactivity.
High grade molded EVA in-sock to enhance comfort.
Spare 20 soft spikes & available with key.