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FR Base Layers

At Massif, they build their garments from the ground up, exclusively using their own flame-resistant fabrics. They don't use outside suppliers for their fabrics because they simply don't believe that anyone else makes FR fabrics that live up to their standards. The foundation of each fabric is a proprietary blend of high quality fibers selected for the optimum combination of flame resistance, weight, strength, breathability, stretch, comfort, moisture management, and durability. Specialized knitting and finishing techniques allow us to develop sophisticated FR textiles with performance capabilities that exceed expectations every time. All Massif fabrics exceed benchmarks for flame-resistant outdoor fabrics including the ASTM D6413/F2302-03 vertical test standard.