Helios Blizzard 3M Reflective Dog Jacket The Helios Blizzard 3M Reflective Dog Jacket is meant to withstand the harshest weather conditions possible. Whether you’re caught in a blizzard, typhoon, hurricane or rainstorm, this is the premium protective dog jacket to have. The outershell is double-waterproof, windproof, and tear-proof, surrounded with 3M Reflective lining for emergency visibility. The interior features a thick layer of extremely high-quality, warm, protective, anti-static fleece, which is extremely breathable and offers a fantastic ventilation system. It also features exclusively developed Blackshark technology that is breathable and impermeable while maintaining warmth. Perfect for high-altitude mountaineering or any extreme activities. Features: Full-bodied outer shell features a remarkable heating system that is waterproof and windproof Inner-Layer features very thick, anti-static fleece and is outer-lined with 3M reflective technology Can withstand hurricane force winds and frigid temperatures Adjustable straps by each leg, and leash opening on the back Has above-top zippers for dog placement and Velcro closures that completely prevent wind from entering Item Specifications: Sizes: XSmall: Back 8.72″, Chest 17.72″, Neck 12.2″ Small: Back 11.81″, Chest 21.65″, Neck 13.78″ Medium: Back 14.96″, Chest 24.41″, Neck 15.75″ Large: Back 18.9″, Chest 29.92″, Neck 16.93″ Sizing Guide: Measure from back of neck to base of tail.