When trying to move fast through the mountains wear your extra layer on your sleeve. Pair this with any breathable lightweight glove and for only a half an ounce penalty make your gloves windproof and warmer.
‚ Backcountry Skiing, Running, General Mountaineering
‚ Built-in stuff sack
‚ Pair packs down to the size of a tea bag
Ultralight windproof mittens‚only a half ounce per pair