The internal dorsal Furygan D3O is an approved level of dorsal EC 2. The dorsal motor is integrated in the back pocket of your jacket, regardless of its brand and size.
 This Furygan dorsal D3O is is a soft and comfortable back becomes stiffens on impact. The material in the gel component consists of D3O mollecules ranging lock of by stiffening crash you`ll providing optimal protection
 Two sizes are available for this product:
 - S (48cm)
 - Size M (53cm)

 You have doubts about the compatibility of your jacket and Furygan D3O back?
 The dorsal D3O retains its shock absorption properties regardless of its shape, even cut.