Free 2-Day Shipping on Orders Over $50* - Order by 5pm MST on 6/30 to get it before the July 4th Weekend

Gear Question

What is a Windproof rating and what does...

What is a Windproof rating and what does 0 cfm mean?

Best Answer Responded on

CFM stands for cubic foot per minute, a non-standard unit of measurement to express volumetric flow rate over time. This material is rated at 0cfm, essentially wind proof.