1---Energy-field-therapy Men's Underwear: Energy Field Therapy Men's Pants, specially designed for men and inspired by the ancient non-invasive magnetic therapy and tourmaline technology. To improve blood circulation. 2---High quality materials: Energy Field Therapy Men's Pants, highly elastic fabric, super comfortable and breathable, do not fade or pilling, skin friendly. 3---Energy Field Therapy Men's Underwear: Energy Field Therapy Men's Pants, give you the energy to make life better and help show the true qualities of a confident man. 4---Anti Roll-Up Design: Energy Field Therapy Underwear there are two epoxy sides at the waistband which cleverly prevent you from slipping down when you sit down or bend down. 5---Power of Magnets: When we wear energy field therapy men's underwear, energy penetrates through the skin to promote blood circulation. In addition, the energy would be transported throughout the body so that you could feel general health benefits. 6---Product Size: This cotton men's underwear has 4 different sizes, L, XL, 2XL, 3XL, so please choose the suitable men's underwear according to our size guide L: 40-50KG XL: 50-65KG 2XL: 65-75KG 3XL: 75-90KG