- Brooks Women's Footwear Size Chart - Brooks Men's Footwear Size Chart - The primary materials that compose this product contain a minimum of 20 percent recycled content. - The Brooks® Cascadia 19 GTX® shoes feature an updated Trail Adapt System that utilizes a flexible and articulated Ballistic Rock Shield that integrates into a DNA LOFT v3 midsole for a stable and adaptable ride. Their GORE-TEX® Invisible Fit is bonded directly to the upper for a light, flexible fit that provides breathable protection from the elements, while the waterproof GORE-TEX® technology keeps your feet comfortable and dry. These lace-up shoes are made of a rubber insole and nylon lining. The mesh upper features 3D print overlays for protection and flexible comfort, while the nitrogen-infused DNA LOFT v3 cushioning provides all-day comfort. These shoes are designed with a 25% recycled all-around traction TrailTack Green rubber outsole that offers all-terrain traction in wet and dry conditions. - Round toe design. - Imported. Measurements: - Weight: 11.2 oz - Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.