Designed for strength training and conditioning, this weighted vest is made of neoprene and features built-in iron and sand weight filling with adjustable straps for a comfortable fit. EverGrip™ technology secures the vest in place and reduces movement during exercise and reflective details allow you to workout at night while staying visible. * One-size fits most * Neoprene fabrication * Adjustable straps * EverGrip™ technology for a secure fit