Hanao Sandals: Fitness for Bare Feet. Strengthens your grip and supports your stance by wearing them barefoot. Size L, approximately 26.5 cm. Improves issues such as: increased risk of falls, difficulty standing straight, lack of exercise, and decreased physical strength, often caused by weakened foot muscles. Wear them barefoot to strengthen your grip. Mesh material provides a comfortable, cool feel even in summer. The exercise of gripping the thong with your toes provides a pleasant stimulation for your feet. Easy to wear, even for those who have difficulty spreading their toes. For indoor use. In nursing homes, hospitals, etc., the thong helps the elderly grip and walk steadily, preventing tripping. Please note that orders cannot be shipped on Saturdays, Sundays, and holidays.