Demon Zero RF D3O Unisex Ski/Snowboard Top Our new Zero pads are the perfect blend of comfort and padding. Ultra soft and perfect for fitting under your ski and snowboard jacket/pants. The D3O RF layer is paired to the RZ Labs Foam technology to create a durable, pliable, and comfortable back, shoulder, chest and elbow padding that complies with EN1621-1 Level 1. Keep your body nice and comfy with the all-new Demon Zero Pads. Youth through Adult sizes D3O Recycled Foams D3O uses patented, patent-pending, and proprietary technologies to make rate-sensitive, soft, flexible materials with high shock absorbing properties. D3O® Recycled Foams contains two grades of D3O® ZeroTM materials. This recycled material is the latest innovation from impact protection experts at D3O. D3O® ZeroTM has been designed to protect the things that matter while innovating the manufacturing process to reduce waste. This new, recycled protective material is suitable for a range of applications.