"We are currently running a weekday discount campaign. If you leave a comment, you can take advantage of a special discount. You'll receive even more discounts when you purchase in combination with other products. [Product Description] Color: Black ・Brand new, unused, and unopened! ・Anonymous shipping, same-day/next-day shipping available ・Instant purchase OK! Shipped as new, unused, and unopened. Regular price: 8800 yen/piece (tax included) [M Size] Height: 165-175 cm Length: 68 cm Width: 50 cm Shoulder width: 46 cm Sleeve length: 21 cm Made of 100% polyester, this shirt dries quickly and is perfect for everyday use. It will make your daily life much easier. It's also recommended for wearing at night. It features a relaxed fit, making it ideal for those who want to wear it with room to spare. Unisex size. This is the magical shirt that appeared on "Reiwa no Tora," a popular YouTube show. [Patent-pending] Supports muscle strength and flexibility just by wearing it, helping to reduce the burden of caregiving and heavy labor. [Verification results from a third-party organization] ・Back muscle strength: Average 38% improvement ・Forward bend flexibility: Approximately 6cm increase Over 95% of people experience the effects! (※Individual results may vary)"