LaCrosse has expanded its cold environment product line with the Polar PFT™, a lightweight, insulated, safety toe boot. Designed with construction and cold storage workers in mind, the boots weigh just 4.5 lbs. per pair and are comfort-rated from –25°F to –40°F due to its non-metallic hardware and 1,000-gram Thinsulate™ Ultra Insulation package.LaCrosse Safety & Industrial, Portland, OR.