Hook and Loop closure: DOUBLE-LAYER PREMIUM FABRIC: The men's workout slimming belt is sturdy and made with high-quality polyester material. The material is durable and breathable, providing comfort during extended wear without irritation or itching, even when sweating. The construction is solid, with fine stitching and minimal thread ends. SECURE DESIGN WITH TWO CLOSURES: This waist trainer features two closure systems — adjustable hook-and-loop fasteners and a buckle strap. The hook-and-loop system ensures initial secure placement, while the buckle allows precise adjustment to fit your natural waist contour, preventing shifting during exercise. Together, they provide a customizable, secure fit. BACK SUPPORT & POSTURE IMPROVEMENT: Integrated flexible support rods help stabilize the lower back, and the adjustable buckle adds targeted compression. This design promotes proper spinal alignment and core engagement, supporting improved posture during activity. ENHANCED CORE HEAT & COMFORT DURING EXERCISE: Designed for use during workouts, this waist trainer helps maintain core warmth and support. It supports core engagement and may contribute to increased thermal activity in the abdominal area during physical activity. FIT FOR WORKOUTS: Suitable for use during various fitness activities.