If you are looking for a versatile vest for all seasons, the Cirrus Flex 2.0 Vest for women 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 signs of warmer temperatures. Materials: Recycled polyamide ripstop Pertex Quantum 20 denier / 38 g/m2 / DWR-treated without PFC Lining: Recycled polyamide ripstop 20D Atmos / 41gsm with Thermic stretch fleece / 215 gsm / 94% polyester 6% elastane Central YKK zipper, covered zippers on pockets The vest can be packed into the left pocket (as shown) with an internal harness attachment loop Interior features two open stash pockets Micro-baffles with through stitching Stretchy and breathable side panels Partially elasticated armholes Hem adjustment with cord lock/single cord PrimaLoft® Silver Luxe insulation (55 g in size 12) Fit: Slim Weight: 227 g / 7.9 oz Rab Cirrus Flex 2.0 Vest - Synthetic vest - Women's