Womens Terrex Skyclimb Insulation Jacket M - Utility Ivy. Primaloft® gold insulation is the highest performing synthetic insulation on the market. Is the highest performing synthetic insulation on the market. Pertex® microlight is balanced and offers weight reduction whilst maintaining good strength and abrasion resistance. Pack-it-pocket. Security chest pocket. Elastic hem and sleeves. Center back length 27.2 inches. Bluesign Approved.