The Isto Hand Warmer Is Ready For Those Cool Days When You Want A Little Extra Warmth For Your Hand But Still Need Your Fingers Free For High-Dexterity Tasks. It'S There For Those Chilly Mornings When You'Re Curled Up Reading A Book Or Those Après-Ski Evenings With Hot Chocolate And A Cozy Lodge Fire. With A Heavy Cable Knit Construction And All The Benefits Of Merino Wool, This Hand Warmer Brings Comfort Just Where You Need It.