When it comes to keeping your large dog dry on rainy walks, natural doesn’t have to mean less protection. We compared five raincoats made with sustainable materials and thoughtful designs, evaluating them based on fit, waterproofing, durability, and eco-conscious construction. Our evaluation focused on how each coat performs in real-world conditions-whether your dog is a gentle walker or a puddle-jumper. We looked for features like adjustable straps, reflective trim for safety, breathable fabrics to prevent overheating, and coatings free from harmful chemicals. We also considered owner feedback on sizing and cleaning. Below are our picks, each chosen for a specific reason that suits different needs and preferences.