I've only used the knee pads once. The other parts are unused. It's a size L, and the manufacturer recommends it for people weighing 55KG-70KG. I've gained weight and can't wear it anymore. I think it's a well-made product. Shipping is a flat rate of 500 yen nationwide. **Product Name:** Professional Protective Gear Set for Extreme Sports **Color:** Blue **Weight:** Approx. 0.55kg (net weight) **Materials:** - 600D high-density nylon fabric - TC cloth and sponge composite material - PP (polypropylene) hard shell **Features:** - Thick double-layer protection structure - Ergonomic, adjustable fitting system for a comfortable fit **Target Users/Uses:** Suitable for children to adults. Ideal for outdoor extreme sports such as skateboarding, roller skating, and balance bikes.