If you are looking for a versatile synthetic vest for all seasons, the Cirrus Flex 2.0 Vest for men from Rab will meet all your needs! Made with synthetic insulation, this vest is ideal as a breathable mid-layer on cold winter days or over a t-shirt on summer evenings. Sleeveless, this vest is the perfect compromise between cool weather and the first warm temperatures. Materials: Pertex Quantum Insulation: PrimaLoft® Silver Central YKK zipper, covered zippers on pockets The vest can be packed into the left pocket (as illustrated) with an internal harness attachment loop The inside of the vest features two open stash pockets Micro-baffles with stitch-through construction Stretch and breathable side panels Partially elasticated armholes Hem adjustment with single cord lock Fit: Slim Weight: 259 g Rab Cirrus Flex 2.0 Vest - Synthetic vest - Men's