The Helios Thunder-Crackle Full-Body Waded-Plush Adjustable and 3M Reflective 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. Meant to withstand the harshest weather conditions possible, whether you're caught in a blizzard, typhoon, hurricane or rainstorm, this is the premiere premium plush protective dog jacket of its kind. The exterior shell is composed of a plush-wadded high poly-filled exterior that is double-waterproofed, windproof, breathable, tear proof fabric and features surrounded 3M Reflective lining for emergency visibility. The interior features a thick layer of extremely high-quality warm-protective and thick anti-static fleece, which is extremely breathable and offers a fantastic ventilation system. Perfect for high-altitude mountaineering or any extreme activities. Features adjustable straps by every leg and features auto-adjustable built-in inner tubed lining. Additionally, this dog jacket features above-top zippers for dog placement and hook and loop enclosures that completely prevents any wind from entering while preventing any pulling of the dog's hair. Features a leash slit above the neck area. This dog coat features accented embroidery and a print on the outer shell. Get outdoors with Helios Dog! Sizing Guide: (From back of neck to tail area)