The stylish parka with a water-resistant exterior and a sleek, wax coated finish, Why you'll love the Urban Wax Parka Water-resistant exterior with a wax coated finish Faux-down insulation and luxurious faux-fur lining for ultimate warmth Dual velcro closure and an adjustable waist Sleeves for sizes 10-16 BACK LENGTH Measure from the base of your dogs neck (right below where their collar would sit) all the way to just above the top of their tail. CHEST GIRTH Measure around the largest part of your dogs chest, just behind their forelimbs. Size Back Length Chest Girth 10 10" Up To 18" 12 12" Up To 20.5" 14 14" Up To 22" 14+ 14" Up To 25" 16 16" Up To 25" 18 18" Up To 26" 20 20" Up To 28" 22 22" Up To 31" 24 24" Up To 33" 26 26" Up To 36"