Breathable design: This dog harness uses breathable nylon material and mesh fabric to allow airflow, keeping your small dog or puppy cool and comfortable during walks. It helps prevent overheating or irritation from restrictive gear, making it suitable for long outings in warm weather. Antipull technology: Designed with antipull functionality that distributes pressure evenly across the chest and back, reducing strain and pulling. Ideal for energetic puppies or dogs prone to tugging, promoting safer, more enjoyable walks with better control. Adjustable fit for comfort: The Medium Dog Harness features an adjustable buckle system, allowing neck size to be set at 24 cm and chest size at 34 cm. This ensures a secure, snug fit for small breeds like Chihuahuas or puppies as young as 12 weeks, preventing slippage or discomfort. Secure safety features: Equipped with a stainless steel Dring and reinforced control handle for durability and stability. The secure attachment points prevent accidental disengagement, making it suitable for training sessions or controlled offleash activities in safe environments. Use scenarios Daily walks in warm weather: The breathable design helps keep your dog cool and comfortable over longer strolls. Training and reducing pulling: The antipull technology provides safer control during puppy training or when teaching looseleash walking. Offleash or controlled activities: The stainless steel Dring and reinforced handle support secure attachment and reliable control during training sessions in contained areas.