adidas Running - Estes 2005 W (Silver/Jet Blue/Carbon Blue) - Women's: Great for running trails and running the few miles of road to get to the trails. It has the aggressive look of a true trail shoe with a low-profile, trail-specific midsole and a lightweight, flexible TRAXION outsole for maximum grip and ground feel. Breathable, protective mesh upper with reflective materials for safety in low light. EVA insole for comfort. 3-D TORSION for flexible, adaptive midfoot support. adiPRENE under the heel provides protection from impact. Injected EVA midsole for long-term, lightweight comfort. QuickStrike outsole with carbon rubber inserts for lightweight durability and flexibility.