Patagonia SP 09 MARS R2 Grid Regulator Fleece in Alpha Green. Fits a modern Mens M/L. Base of collar to bottom: 25in. Notes: Designed as part of the MARS PCU system for the United States Military. One of the best technical fleeces ever made in great condition.The R2 has minor signs of wear throughout such as scuffs, matting, and dirt marks likely due to being worn in the field. Make sure to view all photos and measurements before purchasing to ensure satisfaction. Patagonia MARS R2 Grid Regulator Polartec Fleece Jacket SOCOM M Alpha Green 09. The item "Patagonia MARS R2 Grid Regulator Polartec Fleece Jacket SOCOM M Alpha Green 09" is in sale since Thursday, December 10, 2020. This item is in the category "Clothing, Shoes & Accessories\Men\Men's Clothing\Coats, Jackets & Vests". The seller is "kcrisci22" and is located in Vienna, Virginia. This item can be shipped to United States.