The HotJohns® Bottom is made to fit the needs of the end-user depending on the operation as a base layer that can be worn next to skin or over a Massif® Cool Knit®. The HotJohns® Bottom is a midweight base layer that is streamlined for easy layering, is highly breathable, and wicks moisture away to keep you warm and dry. This proprietary flame-resistant midweight Massif® knit fabric features DuPont™ Kevlar® and Nomex® to provide warmth without weight. Safe-to-Fly (StF) Approved by U.S. Air Force – Air National Guard
