Ann Taylor Loft Plaid Strapless/Halter Dress Size 2 Pit to pit measures 15 1/4 inches, but there is some give as there is smocking on the back for a close fit Length from strapless top to bottom is 30 1/2 inches long Side zipper. Fully lined. Can be worn with a halter tie or tie can be tucked in and worn as a strapless dress