Wool and silk underwear combine two precious materials to offer exceptional comfort and unique properties. 
Here are their main features and advantages:
Texture: they are very soft to the touch, almost silky, which provides a pleasant sensation on the skin.
Thermal insulation: wool provides excellent heat-retaining ability, while silk adds increased lightness and breathability.
Lightness and finesse: these undergarments are often very thin, which makes them comfortable to wear.
Natural properties: wool is antibacterial and temperature-regulating, while silk is naturally hypoallergenic and resistant.
Ecology and sustainable development: wool is silk is a millennial material but also in tune with the times since it is durable; these natural materials that can easily be recycled from different sectors. Natural, it is also biodegradable not only in terms of its composition but also with regard to the dyes used in coloring. The latter comply with the specifications of the European community. 
Advantages: Increased comfort: their softness and lightness make them pleasant to wear all day.
Warmth and breathability: perfect for cold climates or outdoor activities, while avoiding the sensation of humidity or overheating.
Natural properties: they regulate the body temperature, avoiding excessive sweating or feeling cold.
Luxury and elegance: their fine appearance and silky touch give them an elegant and refined look.
Durability: wear-resistant provided they are well maintained, they retain their quality over time.

In summary, wool and silk underwear offer exceptional comfort, excellent thermal regulation and a luxurious feeling, ideal for those seeking warmth, softness and elegance.