Faster Fitness Gains: Zelus's weighted vests (16 lb.) offer evenly distributed iron sand to add extra resistance to your daily workout. They provide a simple way to push yourself harder without the need for bulky gear or overhauls to your routine | One Size Fits Most: Our weight vest is equipped with adjustable buckle straps that offer a snug fit for chest sizes between 31.5" and 45". No matter your body type, it stays securely in place as you work to improve your stamina and strength | Comfort That Lasts: Enjoy lasting comfort with the soft yet wear-resistant spandex fabric, designed to endure even the toughest workouts. For optimal care, just wipe it down with a damp cloth after use for an extended service life | Convenient & Safe to Use: Bring along your keys, wallet, smartphone, or energy-boosting snacks in the provided armband pouch or the rear mesh pocket. Plus, the high-visibility reflective stripes ensure you stay safe and easily seen while out and about | Level Up Your Workouts: Enhance your performance in yoga, jogging, weightlifting, rope skipping, and more exercises with this weight vest for men and women. If you're just starting out, begin with lighter weights to progressively build your strength