Bulwark Zip Front Hooded Fleece Sweatshirt SMH6 - These products are standouts from the most revolutionary flame resistant (FR) layering system on the market - a collaboration between Polartec, the leading manufacturer of performance fabrics, and Bulwark, the world's largest manufacturer of FR apparel. Bulwark's new line of Polartecr FR technical workwear garments focus on superior comfort, worker image, moisture management, and of course - flame resistance. Polartec's line of Polartecr FR fabrics are designed to work together, creating a layering system that has less bulk, better mobility, greater comfort, and more breathability. The Zip Front Hooded Fleece Sweatshirt SMH6, made of a different version of Polartecr Thermal FRr, provides a unique combination of flame resistant protection, warmth without weight, insulation, and breathability. Download