Specifically designed for fast paced runners who need a light but protective shoe. Low-stretch, soft-shell upper reinforced with welded TPU and 30% recycled content PU nubuck. Boa lacing for a precise and easily adjustable fit. Dual density EVA footbed. Vasque Aether outsole grips the trail and provides stability, cushioning, and motion control. 9. 50 oz. Product measurements were taken using size 6. 5. Please note that measurements may vary by size.