Under armour force 30 mens astro turf boots the mens under armour force 30 astro turf boots have been designed with a synthetic upper that helps to enhance both fit and feel along with a die cut sockliner for underfoot cushioning and a patterned rubber outsole that is great for both dry natural surfaces and artificial turf completed with the under armour branding to the side mens astro turf trainers shaped and padded ankle collar lace fastening die cut sockliner patter