Daineses lightweight manis sh back protector is made of elasticated jersey fabric that allows for a close fit ideal to wear under your mountain bike jersey central zip to make the garment easy to put on and silicone waist band for stability the level 2 manis back guard has a controlled flexibility system which allows four way freedom of movement and adapts to the body shape of the rider making this back protector perfect enduro racing if youre serious about acheiving top speed a