Used once. Washed. Relive gray V-neck short-sleeved T-shirt, size S. - Brand: Relive - Size: S - Color: Gray - Design: V-neck - Style: Short-sleeved Relive shirts are functional wear featuring special tape containing fine powders of tourmaline and terahertz ore. Through "indirect taping" technology, it is said to promote core strengthening, posture improvement, and muscle activation by improving blood circulation and stimulating nerves. In addition to fatigue recovery and improved sports performance, relaxation and diet effects are also expected. It received medical device certification in 2024, and it is now possible to claim effects for improving lower back pain and stiff shoulders.