Vitaltech V-neck Inner Short Sleeve Shoulder Pain Relief Enhanced Type - Brand: ReD - Color: White - Size: M - Features: Circulation-promoting fiber, fatigue recovery Suggested Retail Price: ¥5,940 From ReD, the makers of the 24-hour recovery shirt. Using MTG's unique special fiber "VITALTECH," which contains eight natural minerals, it directly emits far-infrared rays to the skin, promoting blood circulation. With the two major effects of "blood circulation promotion" and "fatigue recovery," simply wearing it turns all your daily time into recovery time. This product (recovery wear) complies with the general medical device "Home Far-Infrared Blood Circulation Promoting Clothing" as defined by the Ministry of Health, Labour and Welfare. Promotes blood circulation, fatigue recovery, improves shoulder and lower back stiffness, relieves muscle tension and stiffness, and reduces muscle fatigue.