Our Active, Cold Weather Go-To Jacket The Women's Tuolumne Sweater is our solution for the adventurer seeking active, cold weather insulation, featuring lightweight Primaloft(R) Silver synthetic insulation for versatile warmth and stretch fleece side panels for comfort and breathability. Best part: it has a self-stow stash pocket which makes packing it down a breeze. Features Primaloft(R) Silver synthetic insulation Two Zippered Hand Pockets Inside Kangaroo Pocket Stows into zippered pocket Stretch Fleece Side Panels Bungee drawstring adjustable cinch with cord lock Materials Shell: 30D Shadow Rip Polyester Lining: Nylon Tech Specs - Size M Center Back Length: 26.38 in / 66.99 cm Sleeve Length: 34 in / 86.36 in Weight: 10.19 in / 289 g