2L Cargo Insulated Jacket - BlackWhitespace 2L Cargo Insulated Jacket Military inspired design merges with high performance features in the updated 2L Cargo Insulated Jacket. The twill faced 2 layer waterproof breathable shell sealed with Bemis 2L seam tape provides all weather protection while the internal insulated liner system regulates heat and moisture. Side seam openings provide PAS venting to quickly regulate heat and moisture during high intensity activities. Rugged YKK