Very good. The VEVOR Speed Sled offers a robust solution for power running and speed training. Its heavy-duty construction ensures durability, while the adjustable weights provide versatility to tailor workouts for various fitness levels. The sled's smooth-rolling design and padded harness enhance comfort during intense training sessions. Assembly is straightforward, and the sled’s stability on different surfaces is commendable. However, it’s relatively bulky, which may be a concern for those with limited storage space. Overall, the VEVOR Speed Sled is a solid investment for athletes looking to improve strength and speed, delivering effective performance and value.