Compact and Comfort The Air flow model offers a short style design. Measuring only 11" from your collarbone, it gives you full range of workouts without blocking or hindering any movements. Designed for Indoors and Outdoors Rain, sleet, or snow, the air flow vest is designed to be used indoors or outdoors in most weather. If the vest ever gets dirty or wet, simply remove the weights and machine wash and dry the item. Clam Shell Design Equal weight distribution is the key to working out with a weighted vest. With the clam shell design, the weights can easily be adjusted for optimal balance. Air Flow Features Machine washable - keep your vest clean at all times. Remove the weights, Throw in the washer, and Tumble dry low to keep your vest fresh and clean.AIR FLOW DESIGN - Uses a hybrid material to keep your body cool during workouts. Sweat into the vest instead of keeping heat between your body. Our vest uses a softer more comfortable material instead of the hard scratchy material that other weight vestsAdjustable - the weights are all removable, start light and workout your way up. Adjust the bottom straps to fit any users trying to keep the vest nice and snug to their body. Total weight equals to the weight and vest combined. Vest weighs 3lbs on its own.Solid iron weights - weights that meant to last. Each weight Weights 3lbs and can be removed and added within seconds. Suggestions: The air flow vest uses a denim hybrid material that makes the product machine washer friendly. This material is made for light to medium workouts. This can be used during heavy workouts, but you will see slight cosmetic damages which is normal wear and tear. For heavy and more rigorous workouts we would highly recommend our MIR Short Vest. Using 1200 D-Nylon, this vest can not be machine washed but is designed to handle more of the harder workouts. If you have any questions with making a selection click the contact seller button and one of our representatives can help assist you with any questions. Air Flow Features Machine washable - keep your vest clean at all times. Remove the weights, Throw in the washer, and Tumble dry low to keep your vest fresh and clean.AIR FLOW DESIGN - Uses a hybrid material to keep your body cool during workouts. Sweat into the vest instead of keeping heat between your body. Our vest uses a softer more comfortable material instead of the hard scratchy material that other weight vestsAdjustable - the weights are all removable, start light and workout your way up. Adjust the bottom straps to fit any users trying to keep the vest nice and snug to their body. Total weight equals to the weight and vest combined. Vest weighs 3lbs on its own.Solid iron weights - weights that meant to last. Each weight Weights 3lbs and can be removed and added within seconds. Suggestions: The air flow vest uses a denim hybrid material that makes the product machine washer friendly. This material is made for light to medium workouts. This can be used during heavy workouts, but you will see slight cosmetic damages which is normal wear and tear. For heavy and more rigorous workouts we would highly recommend our MIR Short Vest. Using 1200 D-Nylon, this vest can not be machine washed but is designed to handle more of the harder workouts. If you have any questions with making a selection click the contact seller button and one of our representatives can help assist you with any questions.