Peckham Military Insulated Flame Resistant Thermal Shirt – FR Rated Base Layer

Built for the Field. Engineered for Safety. The Peckham Military Insulated Flame Resistant Thermal Shirt is purpose-built for demanding environments where warmth and protection aren't optional. Constructed with flame-resistant materials and thermal insulation, this shirt keeps you regulated in cold conditions without compromising on safety compliance. Key Features Flame-resistant (FR) construction meets military-grade safety standards Thermal insulation for cold-weather performance Durable, long-lasting materials built for repeated wear in tough conditions Comfortable layering piece under tactical outerwear or standalone base layer Available in Small, Medium, and Large Condition New without tags/Excellent no signs of use. Who It's For Ideal for military personnel, industrial workers, and outdoor professionals who require FR-rated gear without sacrificing comfort or warmth. Whether you're on deployment, on the job site, or in the field, this thermal shirt delivers reliable protection. ⚠️ WARNING: This product can expose you to chemicals including flame-retardant compounds. For more information go to www.P65Warnings.ca.gov. Sizing Chart — ECWCS Tops Size Across Chest (inches) Sleeve Length (inches) Xsmall Short 34.5 – 37.5 30.5 – 31.5 Xsmall Regular 34.5 – 37.5 32 – 33 Small Short 38.5 – 41.5 31.25 – 32.25 Small Regular 38.5 – 41.5 32.75 – 33.75 Small Long 38.5 – 41.5 34.25 – 35.25 Medium Regular 42.5 – 45.5 33.5 – 34.5 Medium Long 42.5 – 45.5 35 – 36 Large Regular 46.5 – 49.5 34.25 – 35.25 Large Long 46.5 – 49.5 35.75 – 36.75 XL Regular 50.5 – 53.5 35 – 36 XL Long 50.5 – 53.5 36.5 – 37.5 XL XLong 50.5 – 53.5 38 – 39 XXL Regular 54.5 – 57.5 35.75 – 36.75 XXL Long 54.5 – 57.5 37.25 – 38.25 XXL XLong 54.5 – 57.5 38.75 – 39.75 (1) Across chest measurement is taken approximately 1–2 inches down from armpit, at the widest part of the chest. (2) Sleeve length measurement is taken from center back neck, straight out to the shoulder and then down the arm.