Free heat packs with your purchase! These sleek, high quality glove liners are warm and durable without being bulky and come in three sizes . They will sit comfortably under motorcycle gloves or sports gloves, providing extra warmth to your extremities . Why pay extra for heated motorcycle gloves when you can instantly transform your current gloves using these convenient heated liners? Features Dual Fuel Technology - combine batteries with heat packs to maximise temperature and battery life (Learn more) Click here to see our disposable heat packs. Complete with Tecsense finger spots for using your touch screen devices when using as gloves Transform any gloves into heated gloves with these lightweight, comfortable liners Durable and flexible alloy fibre heating elements run around edges of fingers, right to the tips , helping to keep your extremities warm Utility pocket - designed for our Dual Fuel system, this pocket is also great for cards and more Can be easily switched on and off at your convenience to help preserve battery life Size guide Check out our handy size guide for more! Specifications Each liner requires 1x 9V battery (not included) Unisex design is ideal for both men and women Made from 97% polyester and 3% spandex For the Women's version of these gloves, click here How do they work? The glove liners feature an advanced battery operated heating system which provides soothing heat on the back of the hand, right up to your fingertips . The battery is hidden in a discrete compartment on each cuff. When switched on, they will heat the gloves for over 2 hours of heat with good quality batteries . This time can be dramatically increased if you only have the gloves switched on for short bursts - which is now even easier than ever thanks to our easily accessible on/off switch. Heating Elements Extend to the Fingertips The heating elements extend around the finger edges to the tips, providing extra warmth just where you need it most. The gloves are made from a polyester blend (97% polyester, 3% spandex) that is excellent for keeping you toasty even without the handy heating elements - and they're comfy too! They are perfect for wearing under your favourite pair of gloves on a cold day, and the warm yet flexible fabric provides extra warmth and helps stop heat from escaping . Lightweight - Use as a Glove Liner The gloves, although warm, are extremely lightweight and comfortable . They can be worn underneath other gloves, or simply to provide a little extra warmth around the house. Heating elements are invaluable for people who suffer from the cold, such as those who suffer from Raynauds Disease and the symptoms of mild arthritis by improving blood flow. The temperature of your hands and feet dramatically affects the ambient body temperature, so keep your extremities warm. Raynaud's Disease or Raynaud's Phenomenon Dr Rob Hicks First described by Maurice Raynaud in 1862, Raynaud's is thought to affect as many as 10 million people in the UK. Extreme cases involve suffering severe pain in the extremities when exposed to temperature change. These gloves come complete with utility pockets , perfect for our Dual Fuel heating system. The pocket can also be used to hold ski passes, bank cards, change and more. Simple ON/OFF Switch Like all Warmawear products, these glove liners have been designed with convenience and comfort in mind. The batteries tuck neatly into their pockets when you're on the go, and can be easily accessed when you need to switch the heating elements on or off , helping to preserve the battery life. Dual Fuel Technology The Dual Fuel system is an innovation from Warmawear which combines the power of disposable heat packs with our battery powered heating system for groundbreaking versatility. Extend the battery life of your gloves , simply utilize the portable heat packs and their 50Â°C heat and save battery power for later Never get caught short with these sleek heat packs, use them as a brilliant non electronic back up Maximise the heat you receive by combining the high level heating system with the disposable heat packs, too. Our slim heat packs will stay warm for up to 6 hours and will help to deliver high levels of valuable heat when sealed into the utility pocket . Click here to see our disposable heat packs. Which batteries should I buy?