How does MAGEFT Energy Field Therapy Men Pants work? MAGEFT Energy Field Therapy Men Pants creates heat sensation without preheating or electricity. MAGEFT Men's Underwear is based on heat circulation and uses multi-directional heat circulation in the buttocks to help users promote and unblock blood circulation throughout the body. These MAGEFT Men's Underwear help to effectively stimulate blood and lymphatic circulation in the body, relieve varicose veins, and reduce fluid accumulation and cellulite in body tissues. It also helps the body organs expel harmful wastes, relieves physical fatigue and mental stress, and allows the body to fully relax. After a day of wearing it, it can help relieve back pain. You can even wear it while working. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.