Military VKBO fleece thermal underwear layer 2 from BTK made for Russian Army use. A set of fleece underwear consists of a sweatshirt and pants. Sweatshirt with long back and long sleeves. Stand collar. From the middle of the chest to the top of the collar is a zipper with chin protection. At the bottom of the sleeve is a thumb hole for easy dressing of the upper layers of clothing. Pants of an adjacent silhouette. On the belt there is stretched elastic braid. Linen is made of knitted fleece.