RMI and Whittaker Mountaineering Gear Guides Mount McKinley Expedition | Page 19

Upper Body Layering We recommend 6 upper body layers, all of which can be used in conjunction with each other. Three of these should be insulating layers, one light, one medium and one heavy, that fit well together. Today there are many different layering systems to choose from, including fleece, soft-shell, down and synthetic options. The following pages discuss each layer in more detail. The Logic behind Upper Body Layering The image below demonstrates the upper body layering system - how each piece works together as part of a larger system.