The Ultimate chest binder is a full-length binder that hits at about the hip or lower on most people. It provides chest and mid-section compression using two reinforced Powernet panels throughout the front, and a single layer in back. Your binder will stretch out a bit over time, be sure to follow the sizing guide for best fit. [[[How It Works]]]Chest binders work by applying firm, even compression across the chest to create a flatter appearance. The Ultimate binder uses nylon/spandex Powernet mesh with two layers in the front, and one layer in the back. Please note, the Utimate binder is quite warm to wear because it covers the whole torso, a half-length binder may be more comfortable in summer months. Find the right fit:1. With a cloth measuring tape, take a snug measurement around the fullest part of the chest, preferably without too many layers of clothing on.2. Use this measurement to refer to the specification table. Underworks binders are very compressing, we recommend sizing up if you are between sizes. Please note the Ultimate binder fits about one size larger than the Tri-Top. For example, Ultimate medium = Tri-top large. Please choose a size carefully, sizes vary between brands. We do not offer refunds on binders, but they may be exchanged for another size or for store credit within 14 days of purchase. Returned binders must be in like new condition. If required, the cost of return mail and re-shipping is the customer's responsibility [[[Specifications]]] XS 29"- 31" Small 32"-35" Medium 36"-39" Large 40"-43" XL 44"- 47" 2X 48"- 51" 3X 52"- 55" 4X 56" - 59" The Ultimate Chest Binder is 24"-28"long, depending on size. [[[Care Instructions]]]Wash in cold water, gentle cycle, tumble dry low or flat dry. Do not wash with bleach, and do not iron. If worn swimming in chlorinated water, rinse well afterward.