Anyone who spends a lot of time outdoors in winter knows mittens are warmer than gloves, but a pain when you actually have to do something manually. Enter the win/win world of the Arc'teryx Sabre Index Mittens, which add an independent index finger so you people with opposing thumbs can really get down to it. Fortius™ 1.0 fabric means "stretch," GORE-TEX insert means "dry," and leather in the palm and thumb mean "dexterity" so warmth and functionality become bedfellows at last.