It's never too early to stock up on your cold weather essentials. In addition to a cozy pair of silk pajamas and a down jacket, you won't regret adding a good pair of thermal underwear to your winter shopping list. When the air gets cold and the snow starts to fall, the right base layers can keep you comfortable in any condition.

Ahead, we researched the best of the best when it comes to thermal underwear. (both shirts and leggings).

1. Silk Thermals Women's Turtleneck Knitted Style

This silk bottoming shirt is more than a little more comfortable. It is made of fine-selected mulberry silk fabrics. Soft and light, born for elegant women who pursue a natural and comfortable life.

 2. Keep Warm Women's Silk Thermal Underwear

The silk thermal underwear is made of 80% mulberry silk + 20% long-staple cotton blend. The combination of the two fabrics is silky and comfortable, cares for dry skin in autumn and winter, can keep warm and skin-friendly, and is cost-effective. Whether it is used as a base shirt or at home, it is a good choice.

 3. Silk Thermal Underwear Thick Autumn Warm Pants

These warm pants are more than a little more comfortable and are made of fine-selected mulberry silk fabrics. Soft and light, born for elegant people who pursue a natural and comfortable life.

4. Cashmere Slim Silk Thermal Pants

The silk thermal underwear pants do not generate static electricity, have excellent air permeability, are hypoallergenic, and are easy to clean. Care for the skin delicately, so that the skin is not dry, the texture is soft, and it is comfortable to wear.

 5. Silk Thermal Underwear Set Solid Style

Silk feels naturally soft and smooth. It is close to the skin and cannot be matched by any fiber. Known as the "fiber queen", the second skin of the human body, it can truly make people's minds and bodies get the best care and enjoyment.

 6. Silk Camisole Lace Slim Style

The camisole made of real silk, not only has a good wearing effect but has the function to build distinctive and healthy skin and disease prevention and cure. The silk fabric is smooth and soft, exerting a subtle massage effect on the skin, absorbing and helping to remove sweat and secretions from the skin, keeping the skin clean.