The Sure-Grip Rock GT-50 skate is a wonderful skate for most skating surfaces, and is perfect for entry level derby skaters.?This skate works for all ages and ability levels of skaters whether you are a recreational skater?or one that likes to mix it up a little on the derby scene. The?padded boot is makes this a dream to wear,?and the skate?comes with awesome swirl wheels to give it the right appeal on the floor. The Rock Nylon plate is durable and can withstand the toughest of rides. The mini adjustable stop is just enough and won’t impede a skater from crossovers.