Base layer are clothes you wear underneath the actual outfit to feel warmer and protect your health
Paired with the thermal thighs, you need a bodysuit layer to protect yourself from the winter weather. This one from bershka is a good pick, its not to expensive and you can use it as a top in warmer/summer days.
1. Bodysuit | Bershka bodysuit with thin straps
During the cold weather you absolutely need a pair of thermal thighs, I found these on shein, affordable and good quality!
2. Thermal Tights | ChicMe Women Fleece Lined
These Nike socks are my number 1 pick, amazing quality and very warm perfect for winter
