Anatomical insole for active support from Sidas The Sidas Comfort 3D Insole a ready-to-wear insole that great for everyday use. The anatomically-designed 3D shell actively supports your foot while the cushioning foam provides extra comfort. These insoles feature micro-perforations to allow your feet to breathe and also have an antibacterial top layer to keep nasty smells at bay.If you are looking for an insole to provide good support and that extra bit of comfort, the Sidas Comfort 3D Insole the perfect choice. This insole great for use in trainers, skate shoes and other everyday footwear, and will keep you on your feet for longer.