Based on this product's specifications, here are some alternatives and similar models
Weighted Training Vest Master 20 kg by Master, adjustable fit for resistance workouts
Summary description:
Weighted training vest Master 20 kg is a wearable resistance accessory designed to add 20 kilograms of load during bodyweight exercises, running, calisthenics and functional training. The vest distributes weight across the torso for improved strength, endurance and conditioning. Suitable for progressive overload, interval training and sports-specific drills.