80" x 15' Frontier Aluminum Horse Trailer – 3 Horse (Colt Big Sky Series) If you're looking for a reliable, well-built, and lightweight aluminum horse trailer, this Frontier Colt Big Sky Series Combo/Slant 3-Horse is the perfect fit. Designed for safety, ventilation, and convenience, it delivers everything you need for hauling with confidence. Key Features 80" x 15' Aluminum Horse Trailer – 3 Horse Durable, lightweight, and built to last. Colt Big Sky Series Combo/Slant A versatile layout with smart design for both horses and riders. Drop-Top Air Gap Provides excellent airflow to keep your horses cool and comfortable. Plexiglass Inserts for Air Gap Easily adjust ventilation based on weather and hauling conditions. Gloss Black Wheels Clean, sharp, and upgraded for a premium look. Floor-Level Spare Tire Mount Convenient and safe access—no heavy lifting overhead.