New, Unused, Unopened I've also used Montbell's waist warmer, but this one was warm enough and I had no problems with it. Perfect for this season, like when it suddenly gets cold in the evening or at night. Merino Wool Waist Warmer MERINO WOOL 100% Wool Black Men's Free Size Workman / workman Waist 76-104cm Height 40cm ◆ Merino wool brings comfort to everyday life A functional material born from nature Amazingly, all the functions are inherent in the material itself. ◆ Moisture absorption and heat generation Absorbs water vapor from the body and converts it into heat. ◆ Insulation Maintains warmth inside the clothing. ◆ Moisture absorption and release Not only warm, but also reduces stuffiness inside the clothing. ◆ Less itchy Uses particularly fine merino wool because it touches the skin directly. ◆ Suppresses odors Reduces the three causes of odor (*Tested on fabric after 10 washes) "Reduction rate: Ammonia 98%, Acetic acid 99%, Isovaleric acid 83%" ◆ Moisture absorption and heat generation Maximum moisture absorption and heat generation temperature After 3 minutes, about +3.5℃ heat generation (Graph: This product shows about 3.5℃ higher heat generation than the competitor's product) *This is a fabric comparison test by a third-party organization and is not a test result in actual use. Innerwear Long sleeve Thermal underwear Belly band Body warmer Body warmer