Product Description: FREEZE TECH "Hyogeki" - The Coolest Ever. "Hyogeki α" is here, perfect for extremely hot environments! ● Uses Comforma®, a temperature-regulating fiber developed for the first time in the world by Sumitomo Chemical, as the fabric material. ● Advanced temperature-regulating material, cool-feeling print, and temperature-adjusting print absorb and release heat, providing approximately 1.5 times the cooling effect compared to conventional products. ● Uses heat-shielding fibers in the fabric material to reduce heat from sunlight. ● Maintains a refreshing feel inside the clothing, as well as the cooling effect. This cooling wear is suitable for those who work outdoors for long hours or play sports in extreme heat. 〇 Manufacturer: Liberta Co., Ltd. 〇 Product Name: FREEZE TECH Hyogeki α Cooling Shirt Long Sleeve Crew Neck LIDEF 〇 Material: 90% Polyester / 10% Polyurethane. Made in Vietnam