Ergonomically perfected harness to distribute the load perfectly on the thorax instead of the neck. The most flexible on the market thanks to its high-quality fabric to increase comfort and take care of the dog's skin at all times. It incorporates a breathable mesh inside that provides a padded, soft and resistant finish. Characteristics: It adapts at all times to the animal's body. Maximum security closure. Stainless steel rings. Material: 100% high quality polyester. Interior with breathable double-grid mesh. Plastic click closure. Stainless steel rings. Machine washable. SIZE GUIDE Keep in mind that our size guide will give you a general idea of the size that best fits your dog. Each dog is unique in size and shape, so be sure to measure your dog before making your final size selection.SIZENECKCHESTREFERENCESXS22cm25-30cmPuppy, Toy PoodleS26cm33-46cmChihuahua, Mini Pinscher, YorkshireM32cm38-55cmShih Tzu, Cavoodle, PoodleL40cm48-72cmPug, French BulldogXL43cm55-80cmCocker Spaniel, Fox Terrier, Spoodle