Padded with multiple layers of shock absorbing foam, made out of durable synthetic leather shell, lightweight design, an alternate to trainer vest, if you don’t want to wear bulky trainers vest then this is the product you will need. Secured by two adjustable shoulder straps with buckle closures; two rear straps, one with Velcro and one with buckle closure. Lace-up on front. Portable, easy to travel with. GelTech pads are attached to over the shoulder straps for more comfort while wearing. One size fits most