Wavelength RF Cap


We've tested this fabric and it has the ability to completely "knock out" a cell phone signal causing the call to drop - a testament to the effectiveness of the fabric. It is constructed from a comfortable jersey-knit fabric treated with silver. Great for thermal regulation in addition to RF shielding.  Will fit under a wide range of head wear.

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




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