Asics - Gel-220 TR (Black/Gunmetal/Silver) - Men's: A performance training shoe created with the innovative blend ASICS(R) technology and design, highlighting a later supportive midfoot strap. SpEVA(R) Cushioning Component for lightweight cushioning plus durability. Trussic System(R) with lightweight midsole support in the midfoot. GEL(R) Cushioning System for rearfoot shock absorption. DuoMax(R) Medial Post provides stability and shores the midfoot.