The Dog Helios Reflecta-bolt Tri self-adhesive closure sporty waterproof Dog Coat 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 interior portion of the jacket features a heat-reflective technology that repels heat back into the body for added warmth. The Helios outer shell is furthermore completely waterproof PU coated and features reflective lining and stitching for added night visibility protection. Water completely wicks off similar to a Lotus Leaf effect. Features Heavy Duty interconnecting hook and loop enclosures for simple easy on and off access both around the Belly and Chest areas. Features a leash slit and covering by the neck area. Detailed with accented Embroidery and a print on the Outer shell. Get Outdoors with Helios Dog! 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 Pet Intended For: Dog Base Material: 80% Polyester, 20% Nylon Care: Wipe Clean, Spot Clean Country of Origin: Imported