The Acronym S31-PX 'Black' is a highly technical hooded insulator jacket, representing a significant redesign of the traditional sweatshirt. It is engineered to provide exceptional comfort and functionality, acting as an advanced layer between inner and outer garments.

• HD Nylon PrimaLoft® Insulated Hooded Jacket Gen. 1
• Features a concealed zip pocket
• Includes a semi-internal JacketSlingǽ
• Equipped with dimensional flex laminate cuffs and hem
• Utilizes a rapid adjust tape system for hood drawstrings, replacing standard drawstrings with a two-layer tape construction that locks in place