They are made of fleece which is both lightweight and very good for heat retention.
You will find it easy to manage the batteries since they come with a holding pouch in the wrist area.
They are ideal for activities like rock climbing since they provide a firm grip and they are not worn out easily.
You can use them comfortably for outdoor activities that last up to five hours since their batteries last that long.
They come with a thermal insulate lining which is also good for heat retention.
You are safe from burning your fingers as they are designed to heat up gradually to warm up the fingers and not get hot.
Their heating element is made of carbon fiber which does not destruct from constant exposure to heat.
They are not good for extremely cold conditions as they are only meant to warm up the fingers.
Their batteries are not rechargeable.