D3O is a protective material made by D3O Labs , British company specializing in impact protection technologies. It’s a flexible and pliable material which solidifies in the event of collision. It is used as a low-profile impact protection for phones, laptops and other electronic devices, motorcycle riding gear, defense products like helmets, body armor and footwear, etc. Held has it’s own palette of D3O based protectors in association with D3O Labs and we are going to review most of them in this article.