I don't think I've used it more than 5 times. I bought it at mont-bell for about 13,000 yen. It was worn by a miniature schnauzer weighing around 6 kg. Summit Trex is a dog boot for everyday walks. The newly designed sole is flexible and adapts to any road. The opening uses elastic gaiter material to improve the fit. Reflective material is used on the Velcro part to increase visibility at night. Please use it when walking on hot asphalt roads in the scorching heat, or when walking on rough roads or roads sprinkled with de-icing agents when your dog's paws are injured. 【Size】 Foot width 38MM How to measure foot width 1. Have your dog stand on a hard surface (wood, linoleum, or concrete). 2. Place a piece of white paper under the front paw. 3. Lift the opposite front paw so that the weight is firmly on the paw being measured. 4. Mark the widest points of the left and right edges on the white paper. 5. Use a ruler to measure the width of the foot from the left mark to the right mark. ☆Please understand that this is a used item and take a good look at the photos. Please read the following carefully and purchase only if you understand. ・Basically, I am not considering lowering the price. I will have sales and price reductions at my own timing. I will not respond to price negotiations from the question column. I will delete them. ・Please refrain from purchasing if you have a "bad" evaluation. I will delete them. ・If you have any questions, please ask them in advance. Please refrain from asking questions after purchase. ・Please purchase only if you can be contacted within 24 hours for a smooth transaction.