The Spyder Exit Insulator Vest is super light and comfortable and provides a surprising amount of warmth to your core PrimaLoft insulation is low profile yet very thermally efficient So just a small amount goes a long way Stretch side panels ensure a bulk free fit and provide excellent freedom of movement The Exit Insulator Vest makes great casual outerwear or a warm technical layer under your ski coat Polyester mini ripstop fabric/360 deg stretch fleece side panels Spylon trade DWR coating provides water resistance 60g PrimaLoft Gold synthetic insulation for warmth without bulk Stretch side panels for comfortable layering and movement Anti pill fleece stays looking new Zippered hand pockets keep fingers snug Length Center back measures 27