66 North Men's Vatnajokull PrimaLoft Vest 100% Nylon Imported Insulated with 133 g/sqm. Warmth to weight 0.025 clo/gr wt. PrimaLoft insulated vest for keeping the body warm Two zipped side pockets as well as one zipped inner chest pocket Lightweight and packs well Insulated with 133 g/sqm. Warmth to weight 0.025 clo/gr wt.