The tight fit of the Sullivan’s Performance Spandex Lamb Tube allows for a comfortable wear on the lamb giving the ability for easy movement in a durable tricot poly spandex package. It’s made with new larger leg openings, finished edges, and four-way stretch elastic giving you more use out of it during the show season. Small (fits 50 – 80 lbs.) Medium (fits 80 – 110 lbs.) Large (fits 110 – 140 lbs.) X-Large (fits 140 – 165 lbs.)