L Regular_Long Sleeve - Navy Flannel [Yoimira] Pajamas Men's Loungewear Long Sleeve Top and Bottom Set Men's Front Opening Roomwear Set Men's Pajamas Gentle on the Skin Hospital Wear Travel Spring Summer Exceptionally Comfortable Sleep Pajamas! 【Comfortable Breathability and Smooth Texture】 Made of 65% cotton and 35% polyurethane fabric. It has moderate elasticity, a gentle feel on the skin, and supports comfortable sleep. It is breathable and warm, recommended for spring, summer, autumn, and winter. 【Stylish Design】 A simple and easy-to-wear open-collar long-sleeve pajama with a shirt collar and a single chest pocket. The white piping on the collar and cuffs creates a sense of luxury and can be worn stylishly regardless of age. 【Men's Design】 Men's pajama pants use elastic at the waist, eliminating the need to tie a string. They are stretchy but not too tight, providing a comfortable fit. The front opening design with buttons allows for secure wear. 【Pajama Set】 These long-sleeve pajamas are suitable not only for spring and autumn but also for summer when using air conditioning, and winter when heating is active, so they can be used comfortably throughout the year regardless of the season. Recommended not only as everyday roomwear but also as a gift for birthdays, weddings, Valentine's Day, Father's Day, Respect for the Aged Day, Christmas, and other occasions.