TPB Rubber sole?SIZE RECOMMENDATION- S (5.5-6 M US) / M (6.5-7.5 M US) / L (8-9 M US) / XL (9.5-11 M US).S-rubber bottom length 22cm, fits shoe size around 5.5; M-rubber bottom length 23.5cm, fits shoe size around 7; L-rubber bottom length 25cm, fits shoe size around 8.5; XL-rubber bottom length 26.5cm, fits shoe size around 10.5.?ENJOY AMAZING FEELINGS- Comfortable, breathable, lightweight slipper socks. Relaxed yourself after a busy work, not binding feeling, they??re thick and warm. They can absorb moisture and perspire, making the skin of your feet dry and comfortable. Perfect step in between wearing just socks while not feeling the cold of the floor. Ideal for spring, autumn and cold winter.?WELL-MADE & WASHING GUIDE- 100% quality goods. Superb anti-slip and waterproof rubber soles, that will not only insulate cold from wood or tile floor, but also absorbs noise and has no harm to the floor. Mute sole design, won??t disturb others. The edge of the slippers is seam crafted, not easy to crack, and are solid and reliable. It is durable, and you are worth it!?FOR ANYONE- Great sock shoes for hospital patient, flights passengers, drivers and indoor office worker etc. Pamper the hard-working wife by giving her tired feet a deserved rest well. Even old peoples, it can hug her ankles/feet well and prevent from falling off. Nice a birthday/Valentine’s Day/Christmas present for family members, friends, classmates, teachers, colleagues etc.?IN ANY OCCASIONS ? These cozy slipper socks are terrific for travel whether on a plane, a train, a car, a hotel, an office or just hanging around your house. Safer to wear them run with their rubber bottom around the house anymore. Take a step outside when you let the dog out to the back yard. Adequate for quick errands outside (taking out the garbage, going to the mailbox, etc.).