Lenz Heat 4.0 Glove - Women's: Compatible with the lithium pack rcB 1200 (heat output up to 7,5 hours) or the lithium pack rcB 1800 (heat output up to 11 hours) Lenz heat technology - integrated heating element all your fingers (including your thumb) are heated up by the temperature-sensitive top light, robust, breathable and insulating thanks to PrimaLoftA(R) Insulation water column +10,000 mm 4-way stretch material integrated spectacle-cleaning element touchscreen compatible package content: 1 pair of heat glove 4.0 women (without lithium pack)