Classic good looks; uses lighter fluid, produces abundant heat
for up to 24 hours between fuelings. But leaves clothes reeking of fuel. $3. (800) 762-1005, www.restorationhardware.com.
Self-contained, reusable 3-by-5 1/2-inch pack quickly supplies lots of heat, but cools in less than an hour and requires hot water to reactivate. $6. (916) 247-9024, www.hotshotzheat.com.
Lightweight, air-activated, no odor; provides up to 10 hours of warmth, fits easily inside pockets, gloves or mittens. Best of bunch. $20 for box of 36 pairs. (800) 221-0516, www.northerntool.com.