Product Features: This head strap allows you to capture impresive video footage and photo's whilst you are in action on your bike or skateboard etc. Universal design adjusts to fit all sizes. Width: 50-60cm, Height: 17-29cm Construction: Elastic straps, Steel Nut and plastic mount. Please Note: The head strap is not Recommended for use in high impact sports. Do not subtitute a helmet with this item if a helmet is required.
eBay