FITS IN YOUR GLOVES! When days are bitter cold, gloves alone are not enough. Slip the Wireless Rechargeable Warming Glove Liners by Sharper Image underneath your regular gloves for hours of steady, soothing warmth. They're made of micro-thin stretchable fabric plus high-tech carbon fiber for a great fit. Click a button to select a heat setting (Low, Medium, High) for up to 5 hours of warmth. Unisex design, available in Black in sizes XS, S/M (fits most women), L/XL (fits most men) and XXL (sizing info below). NOTE: These liners can be worn as standalone gloves. However, we recommend that you wear them underneath your winter gloves for maximum warmth. Wireless Rechargeable Warming Glove Liners by Sharper Image - XXL