DURABILITY - Made with extremely strong 1000D nylon. Shoulder straps padded with TPE foam for maximum comfort even throughout long workouts. Double-stitched using the highest industrial standards for long use. NEXT-LEVEL WORKOUTS - calisthenics, running, military preparation, fireman training or any fitness activity becomes more effective and efficient. MINIMALIST ELITE DESIGN - This vest is designed to sit snug, hugging you naturally even during inverted exercises, static holds, and sprints while still providing the ultimate range of motion. SCALE YOUR WORKOUTS - With your weighted vest you'll gain strength and seamlessly progress from beginner to advanced.