Haglofs Gram AM II Gore-TEX Trail Running Shoes Gore-Tex Extended Comfort Lining - Protects against water penetration. Non Absorbing Fabrics - To maintain a low weight in wet conditions. Minimal Stitched Upper - To reduce the possibility of irritation during longer runs whilst also saving weight. Anti Gravel Tongue - To prevent debris from entering the shoe. Non Absorbing Fabrics - To maintain a low weight in wet conditions.