M12402 Marmot Women's Rocklin Full Zip Jacket The Women's Rocklin Full-Zip Jacket It's ol' reliable for good reason. Made from warm 100-weight fleece, this lightweight jacket is always ready for an impromptu road trip, bonfire, or trip to the local crag. Layer it under a shell while lapping your favorite lines at the resort, then rock it aprAs while rating the most intense scenes of the day.