Asics - Gel-Trail Attack (Pool/Penguin/Carrot) - Women's: A trail shoe with the technical features to tackle tough terrain while enjoying a cushioned ride. DuoMax for stability control. SpEVA(tm), a propietary midsole material that improves bounce back characteristics & decreases midsole breakdown. Trusstic System(R) uses a moulded component under the midfoot area and provides over-pronation control in combination with extremely contoured midsoles that reduce the weight of the shoe. Rearfoot GEL Cushioning System for rearfoot shock attenuation during the impact phase. Solid rubber outsole with an aggressive pattern. AHAR(R), Asics High Abrasion Resistance Rubber uses a tough rubber compound used at the heavy-contact areas of the outside that helps cut down on excessive wear.