* Coach's official website: Look for the "Dog" or "Pet" section on their website.
* Coach's retail stores: Visit a Coach store near you and ask a salesperson for the length of the leashes they carry.
* Third-party online retailers: Many retailers sell Coach products, including dog leashes. Search online for "Coach dog leash" and see if the product descriptions mention the length.
Please note that product availability and details can vary depending on the specific store and time of year.