Thank you for viewing. This is a genuine (original) fleece jacket officially adopted by the U.S. Marine Corps (USMC). Product Background and Features • Official Name: SHIRT, PULLOVER, SYNTHETIC FLEECE • Purpose: This is a high-performance fleece used as a mid-layer in the Extreme Cold Weather Clothing System (ECWCS). • Material Function: It uses POLARTEC® material, which is lightweight yet boasts high heat retention and breathability. • Contract Year: Based on the contract number on the tag, it is estimated to be a relatively early model, contracted in the 2007 fiscal year. • Manufacturer: Made by PECKHAM, a manufacturer of military wear. This half-zip pullover type is a rare piece suitable for everyday wear. 【Condition and Details】 • Overall Condition: There are few noticeable stains or matting of the fleece, and it is in good condition. • Special Notes: There is a loose seam on the lower left back, but it is not very noticeable when worn. Please check the photos for the condition. 【Size Details】 • Size: MEDIUM (Equivalent to Japanese size L) • Shoulder Width: 50cm • Body Width: 60cm • Length: 75cm • Sleeve Length: 60cm (Please forgive any slight errors due to amateur measurements.) 【Country of Origin and Material】 • Country of Origin: Made in the USA • Material: 100% Polyester (POLARTEC®) Please purchase if you understand vintage military surplus clothing.