Thermo-Plus is Levels certification and guarantee for outstanding insulation and heat retention of the natural warmth of the hands even in the worst climate conditions. Level created a machine to test the gloves in a series of extreme weather conditions. The results, collected in an efficiency index, report the gloves’ thermicity values. Thermo-Plus products values aim to be at least 30% higher than standard gloves’ ones. Fits every glove or mitt with an extra layer of warm and comfort best solution for extreme conditions.