Bost Manufacturing

Sleeping Shirt: 100% polyester. Underwear. Shirt. GI type. Zip collared. Elastic wrist cuffs. For extremely cold weather. Ultimate comfort. Water repellent. Moisture Wicking. Very Breathable. Quick Drying. Heat Retentive.  Outstanding Warmth to Weight Ration.

Sleeping Shirts (i.e. thermal underwear) is clothing that is intended to be worn for additional warmth during cold weather conditions or when going to sleep. Thermals can either be worn underneath clothing when venturing into a cold climate condition or worn to bed to provide extra comfort and warmth during the night. This product is intended to protect against the very cold conditions. Developed for the US military for the weather conditions they are subjected to, but now also available for purchase by the general public. When the weather gets brutal, this product is guaranteed to keep you warm.

Thermals are great for skiing, camping, hiking, hunting, sleep wear, cold conditions, and much more. Thermals are also known as men’s polyester underwear, ski clothing, long johns, underwear clothing, union suit, men red long sleeve fleece, top shirts, etc.

Item Details

• www.Bost.org, Item # Sleeping Shirt
• Product Description: 100% polyester. Underwear. Shirt. GI type. Soft fleece lining. Zip collared. Elastic wrist cuffs. For extremely cold weather. Ultimate comfort. ECWCS – Extended Cold Weather Clothing System.  Key features: Water repellent, moisture wicking, heat retentive, very breathable, quick drying, outstanding warmth to weight ration.
• Size: Small, Medium, Large, Extra Large