Warm up with the Columbia Sportswear Menâs Brooklyn Nets Powder Lite Omni-Heat Reflective Full-Zip Vest. The polyester material provides a comfortable feel, while the Omni-Heat Reflective technology retains body heat for increased warmth. The Thermarator synthetic down insulation offers additional warmth, and the team logo shows off your Nets pride. Columbia Sportswear Menâs Brooklyn Nets Powder Lite Omni-Heat Reflective Full-Zip Vest Black, 2X - NBA Outerwear Adult/Youth at Academy Sports