: Engineered for a snug, responsive feel that minimizes foot fatigue during extended wear, similar to high-performance tactical and soccer footwear All-Terrain Grip System

If you are looking to purchase or verify these boots, keep the following in mind:

: The "36" in the product name typically denotes the European (EU) sizing , which corresponds to approximately a US Women's 6 or UK 3.5 .

If you meant something else, here are some possibilities:

If the query was actually intended for automotive specifications, "BYD" paired with numbers usually refers to technical data: