The new EVO® Quatro® is a low-profile version of the regular EVO®. TheQuatro’sEVO® boot design has been modified to reduce coverage around the mid-foot and allow for unrestricted plantar flexion, yet it maintains the EVO® patented design to offer a remarkable level of ankle stability. The EVO® Quatro® is bilateral and fits either the left or right foot. Indications include: inversion or eversion ankle sprains, syndesmotic ankle sprain (high ankle sprain), subtalar joint instability, and medial or lateral ankle instability.