Hestra Women's Heated Liner 5-Finger Gloves. Our heated liner for women allows you to turn your existing Hestra gloves into electrically heated gloves. Features heated coils embedded on the backhand for cold winter days. Adjustable temperature in three steps depending on the weather. Important: Should be worn as a liner with a shell glove for cover and protection of the electric components. The electronic components in this glove may interfere with avalanche transceivers. May for instance be worn together with these gloves: 30610, 30611, 30612, 30600, 30601, 32570, 30571, 30572, 30480, 30481. Outer Material: 100% Polyamide ripstop. Windproof, waterproof and breathable fabric, reinforced with durable stretch polyester. Lining: Fiberfill/Brushed polyester. Features: Intergrated heating loops on fingers Rechargeable/replacaeble batteries USB charger Measure Your Hand: For the length: Measure the distance between the wrist and the tip of the middle finger. The circumference of your palm should be measured at its widest point. Recommended size is an indication. Hands are different and some models have a tighter fit than others.