Description of Montrail Streak Trail Running Shoes - Women's Designed for use on a variety of surfaces from rock and pavement to grass and dirt. This lightweight and responsive shoe is designed for the trail runner with a need for speed. Features: Multi-directional outsole design offers exceptional traction in every direction. Gryptonite™ “sticky rubber” outsole material offers great traction on wet and dry surfaces, combined with outstanding durability. Trail Deflection Shield™ is molded between outsole and midsole to protect the foot from trail debris. Vapor-Response™ midsole material is both lightweight and responsive. Upper materials are lightweight and breathable. Minimal upper design provides great fit in heel, midfoot and forefoot.