The Reebok Neoprene Waist Trimmer Belt in black is designed to target the abdominal muscle group during gym and training activities. Made of polyester, nylon, and neoprene, this trimmer belt is 87 inches long and 10 inches wide, providing a comfortable and secure fit around the waist. With a convenient pocket for storage, this fitness equipment is perfect for those looking to enhance their core strength and support their lower back during workouts.