Wavelength RF Cap


We've tested this fabric and it has the abilty to completely "knock out" a cell phone signal causing the call to drop, a testatment to the effictiveness of the fabric. It is constructed from a comfortable circular knit fabric treated with silver. Great for thermal regulation in addition to RF shielding and fits under a wide range of headwear.

Head Circumference XS - 20" S - 21" M - 22" L - 22" XL - 24"


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