Uniqlo Co., Ltd. is a Japanese casual wear designer, manufacturer and retailer. The company has been a wholly owned subsidiary of Fast Retailing Co., Ltd. since November 2005. It is a fast growing company, one of the five biggest specialty fashion retailers in the world. The company makes T-shirts, jeans, and casual wear for both women and men. One of UNIQLO’s main products is HEATTECH. It keeps people warm, so it is useful in winter. It is thin and comfortable, so people can wear many layers of clothing easily.