The Dog Helios ® Lotus-Rusher 2-in-1 Dual-Removable Layered Performance Dog Jacket is Inner-lined with exclusively developed Blackshark Technology, this innovative fabric is Lightweight, Waterproof, Windproof, Snow proof, Breathable, Cold-Repellent, Impermeable and Tear Resistant. The Inner Polar Fleece Layer snaps off and is removable and eject-able making this dog jacket perfect for year-round usage. The outer shell is furthermore completely PU coated with 3 additional layers of Wear and Tear resistant waterproof coating. Water completely wicks off similar to a Lotus Leaf effect. This Dog coat features a Polar Fleece Interior that comfortably hugs the dogs body for added warmth and comfort. Features Dual-Tough Velcro enclosures with a leash slit hole by the neck area. Furthermore these dog coats feature 3M Reflective lining for added safety during night walks. Features accented Embroidery and a print on the Outer shell. Get Outdoors with Helios Dog! Available in Multiple Colors and Sizes. Sizing Guide - From Back of Neck to Tail area ("In" Inches) 8" - EXTRA SMALL 10-12" - SMALL 14-16" - MEDIUM 18-20" - LARGE 22-24" - EXTRA LARGE