Military issue Army level 1 base layer is the staple issue and first defense against cold.   Manufactured to be moisture wicking keeping you both warm and dry. We found they run large in general.  This is the official issue GEN III ECWCS thermal base layer light weight, packable, comfortable and warm.  You will not find a better thermal base layer on the market for all around temperature control.  

Features & Specs

• New condition with tags
• U.S.A. Made
• ECWCS Gen III Level 1, Base layer to be worn underneath all other clothing
• Sand Tan color
• Light weight “silk weight” packable 
• NSN 8415-01-547-6691