THIS WOMEN'S SHOE IS FOR: Trail Runners who want to explore and feel protected on changing terrain. This shoe is made to adapt quickly so runners stay comfortable and stable. Predecessor: Cascadia 15 SUPPORT IN ALL TERRAIN: Release grooves in the midsole allow for enhanced adaptability on rough terrain, while the Ballistic Rock Shield now includes vertical grooves to provide side-to-side adaptability. Updated construction allows the shoe to adapt, flex, and protect the foot in all terrains. CUSHION AND COMFORT: New DNA LOFT v2 Technology provides 10% softer and 20% lighter cushioning than previous models. New 2mm of foam in the midsole gives added comfort.