Strapping on a weighted vest transforms an average run into a high-intensity challenge. But choosing the right filler for your vest bags is crucial. From sand and iron pellets to steel plates or even DIY materials like rice or gravel, each option affects your comfort, mobility, and performance differently. Discover the pros and cons of each material, how to balance the weight properly... https://www.etechify.xyz/what-do-you-fill-weight-vest-bags-with