UJF makes a complete line of high performance base layer tops and base layerbottoms in two series: flame-resistant Fortiflame and non-flame resistant FWDFit. Both Fortiflame and FWDFit base layers are available in several styles of baselayer pants and baselayer shirts, from Level I , II, III, and IV. Level 4 is made of heavyweight 8.0 oz. interlock knit fabric polyester yarn blend. Flat seam construction eliminates chafing from gear. Brushed inner surface for next to skin comfort. Mesh outer layer expedites wicking. Non flame resistant (FR baselayer options are also available). Made in the USA (Berry compliant)
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