Totally waterproof with Primaloft Gold insulation and an integrated heating element for additional warmth make these SealSkinz Waterproof Heated Cycle Gloves ideal for keeping your hands dry and extra warm this winter while you are either heading for an exhilarating winter cycle ride or just cycling to work and running errands on your bike - you will wonder how you coped before These SealSkinz gloves have a three layer construction that make them totally waterproof windproof and breathable They then have a Primaloft Gold insulation which is simply the best of the best highest performing synthetic insulation with superior softness to offer excellent warmth without bulk And teamed this up with an integrated heating element that is powered by a small rechargeable battery 4v 2200mAh which has a run time of up to 5-6 hours for extra warmth when needed The controls are integrated on the back of your hand so you can easily toggle between power modes to select the most comfortable setting for you These winter Sealskinz gloves are perfect for giving that extra heat and weather protection in the coldest conditions