WORKMAN Radiant Warm Full Cover Hoodie Size: L Color: Charcoal (Digital Camo Pattern) Only tried on after purchase, never used. Home-cleaned. Running wear Golf wear Cold protection The following is a product description: This item has an integrated balaclava, which is useful for protecting the face from the cold. The back side uses far-infrared printing, and the heat storage effect of the mineral warms you from the core of your body. Antibacterial and deodorizing fabric is used for the part that touches the mouth. Although it is not a product made for outdoor scenes, it seems to be useful for low-mountain hikes and trekking.