The Lenz 4.0 Heated Gloves for Men are the next generation of great heating gear from one of our most trusted brands. These great looking heated gloves use Lenz heat technology integrated heating elements that deliver excellent heat and warmth to your full finger and thumb. compatible with the Lenz lithium pack rcB 1200 and rcB 1800 (not included) Lenz heat technology ? integrated heating element all your fingers are heated up by the temperature-sensitive top light, robust, breathable and insulating thanks to PrimaLoft� Insulation water column +10,000 mm 4-way stretch material integrated spectacle-cleaning element rechargeable lithium-ion lithium packs USB-charger with charging display touchscreen compatable Lenz Heat 4.0 Gloves Include: 2 Lenz Heated Gloves Manufacturer Warranty Instructions Batteries Not Included with this Unit MATERIALS: Outshell: 60 % polyester, 20 % leather, 20 % polyurethane. Lining: 100 % polyester Temperature Control: 3 temperature levels, operated with a control panel on the glove, simple one button operation. Level 1: Level 1: 37 �C / 99 �F, 8 ? 10 h Level 2: Level 2: 45 �C / 113 �F, 4 ? 5 h Level 3: Level 3: 62 �C / 144 �F, 2 ? 2,5 h