Sweater Vest (Belt Squat Vest)The Sweater Vest is a long term idea that Spud had been wanting to perfect. Spud Inc. was the first innovator of the belt squat belt in the early 2000s by making one that was both comfortable and long lasting. The belt squat belt became a mainstay in many training regimes over the next two decades and became the gold standard. But with the times always moving ahead, we pioneered then the front squat harness to simulate that exercise for the belt squat