Designed to block up to 80% of wind noise while riding your bike (ACA's opinion is product blocks +/- up to 50% of wind noise). Unlike ear plugs and headphones, Wind-Blox only blocks the wind noise, allowing you to hear approaching traffic, nature and fellow cyclists. Black. Sold as a pair. Two sizes:

• Dimensions 2cm. x 10cm

Please note, product is not elligible for return if it has been used.