•  Adjustable weighted jacket - weights are included in the pockets inside. Weights that are easy to insert or remove, making it easy to increase or decrease the weight of the jacket
• Flexible usage - made enough for use with a variety of different exercises, including - jogging, hiking, pull-ups, push-ups, triceps dips, squats, lunges and more
• Fully adjustable closure - velcro closures enable jacket to fit most children comfortably, while maintaining a snug and secure fit to avoid chafing
• Latest design - thick nylon material with soft padding design with evenly distributed weight pouches to ensure a measured workout for each targeted muscle
• Removable weight - removable metal weights make it possible to continually increase the resistance over time

Specification:

Size:                       

         Height : 20 inch

         Jacket Bottom Circumference : 32 inch
Note:

All the metal pieces included insides seems to be little heavy. Play under the supervision of adults.