Asics - Gel-220 TR (Pearl/New Navy/Royal) - Women's: A performance training shoe created with the innovative blend of ASICS(R) technology and women's specific design. SpEVA(R) Cushioning Component for lightweight cushioning plus durability. GEL(R) Cushioning Systems with Maximum rearfoot and forefoot shock attenuation. Trusstic Systems(R) links the rearfoot and forefoot and shores the midfoot. DuoMax(R) Medial Post provides stability and shores the midfoot.