Down Booties: These thermal socks are filled with high quality down

with a velvet content of 90%, which can relieve cold feet when sitting

for a long time. It also keeps you warm after hiking, skiing or other

winter sports, and while camping.

Small and Portable Storage Bag : 9 x 15 x 5cm / 3.5 x 5.9 x

1.9in. It is so small and you could take it to anywhere you want to go.

Dimension: S: 27cm; M: 29cm; L: 31cm. Temperature:0~-15℃ / 32~5℉. This

socks only weights 40g which is very ultralight.

Hydrophobic Fabric:The surface and bottom of these down socks are made

of hydrophobic fabric, which will prevent your socks and feet from

getting wet immediately when you accidentally step on the cold water on

the floor. At the same time, these slipper socks have a certain degree

of breathability and will not feel stuffy.

Comfortable: These slipper socks can be worn barefoot or outside socks.

The soft and skin-friendly fabric makes you barely feel its presence.

The fill power of functional down reaches 700FP, and the warmth

retention effect is very good. If you are particularly afraid of the

cold, it is recommended that you wear them outside ordinary socks to

achieve better thermal insulation effect.

Adjustable Drawstring:The upper part of the sock has an elastic

drawstring, you can adjust the tightness to achieve long-term warmth,

prevent heat loss, and prevent it from falling off when walking.