The weighted vest with zipper is allows for a comfortable and secure fit during routine workouts. The addition of the ironsand weights provides a challenging resistance that has taken your cardio and strength training to the next level. [SIZE FITS]: Everyone's different sized in the upper torso of body, to select the right size: First, measure where you want the hem of vest to fall on your upper body. Next, based on that position to measure the waist . Finally, select your chest size according to the SIZE CHART(Recommended Min./Max. waist) to determine the available weight options. [ZIP UP/SAFETY]: Zipper design as wearing clothes,snug but comfortable, and it mostly stays in place during workouts. Weighted vest offers reflective strips details across the surroundings. Providing you a thoughtful safety touch for early mornings or evening workouts. [MATERIAL]: Outer layer is made from a breathable, durable material outside and reinforced stitching seams eliminate leakage. The iron sand filling is securely enclosed and evenly distributed, helping avoid any lopsidedness. [STORAGE]: Weight vest for walking come with a convenient arm pouch, front pockets and the back mesh pocket is handy for keys, , sunglasses, whatever small items you might want or need during your exercise. [OCCASION]: Men's weighted vests provides a challenging resistance that has taken your cardio workouts and strength training exercises to the next level while running, biking, walking, doing aerobic exercises and weight training with a kettle bell and dumbbells, also just wear it while doing some more household-y things like moving boxes around or cleaning.