Heat Wrap Sweat T-shirt - Color: Black - Size: XL - Material: 100% Polyester (Outer), 100% Polyurethane (Inner) Purchased December 2025 Unused. (Selling because of incorrect size) Promotes sweating, and also helps with cold protection during this time of year. Improves basal metabolic rate. It has been proven that wearing it increases perspiration by 144%. - Brand: HEATTRAP Thank you for viewing.