The MOTION Lightweight Running Hydration Vest is a versatile and practical choice for runners of all levels. Made of durable nylon material, it features a buckle closure, adjustable size, and an elastic pocket for convenient storage. The 1.5L water bladder included in the regular size vest ensures you stay hydrated during your runs. With a sleek gray color and lightweight design, this hydration vest is perfect for both men and women looking to stay comfortable and hydrated while hitting the pavement.