How Does it Compare?

	Wind-Blox	Cat-Ears Classics, Pro and Elite	Slipstreamz Spoiler and Slip	Windfree	Generic Ear Plugs
Purpose
Bike-specific	Yes	Yes	Yes	No	No

Wearablity
Sound permeable	Yes	Yes	Yes	Yes	No
Machine washable	Yes	No	No	No	No
Works right or left	Yes	No	Yes	Yes	Yes
Installs without removing straps	Yes	Yes	No	Yes	Yes
Reflective	Yes	No	No	No	No
Attaches to helmet strap	Yes	Yes	Yes	No	No

Aesthetics
Not fuzzy or furry	Yes	No	Yes	No	No
Technical materials	Yes	No	Yes	Yes	No

Benchmarks
Wind noise stopped (%)	75.8 – 80.2%	53.3 – 77.6%	NA	NA	Danger
Impact to Ambient Sound	0%	0%	NA	74%	Danger