Worn once Washed Workman MEDIHEAL Recovery Wear Room Long Sleeve Shirt Product Number: 2342 Color: Heather Charcoal Size: M Height: 165-175 cm Chest: 88-96 cm Waist: 76-84 cm Material: Body: 80% Polyester, 20% Cotton Ribbing: 60% Polyester, 35% Cotton, 5% Polyurethane Used item Free shipping Workman's fatigue recovery wear "MEDIHEAL" - Fatigue recovery wear registered as general medical equipment - High-purity ceramics, which are made by incorporating far-infrared rays emitted from the body into the fibers using unique technology, radiate. - General medical equipment fatigue recovery wear that creates an environment to recover fatigue through the far-infrared ray's blood circulation-promoting effect. - Fatigue recovery, blood circulation promotion, relief of muscle stiffness and soreness, and reduction of muscle fatigue! * Far-infrared ray's blood circulation-promoting effect - Effective over a wide area, not just at a single point."