They are required, but people flout this rule routinely.
For skateboarders/scooterers all ages need knee and elbow p ads accompanied by a helmet Bikers need all ages need knee pads and a helmet Bladers all ages need knee pads, wristguards and a helmet All of these are off of what I remember, also these are the bare minimum
Yes
My son got by with just a helmet, while on his bike.
Not only required, but smart.
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