The Brooks Lady Cascadia 8 Trail Running Shoes are designed for long trail runs & keeping your feet comfortable mile after mile of tricky terrain, with adaptive support underfoot & plush cushioning. The Cascadia 8 featured an enhanced midsole with the dynamic Bio Mo Go DNA unit offering enhanced cushioning with a deluxe feel. The Caterpillar Crash Pad works to offer adaptive cushioning, ensuring you get a smooth & comfortable transition, step after step. The Pivot Post in the forefoot provides 4x 4 like suspension, with adaptable support allowing your foot to make even contact with the ground & helps to prevent injury or falling. The Ballistic Rock Shield also serves to protect, keeping out stones, debris & stopping jagged rocks from penetrating the outsole & preventing any injuries.