Published: January 2006
MARKER M3helmet ($130)
Keep a lid on to trap all that precious head-heat. Most helmets are warmer than any hat you'll find, especially one with vent-hole plugs, like the M3.
MOUNTAIN HARDWEAR Sub Zero parka ($175)
650-fill down armors you for anything short of Arctic temps, without making you look like the Michelin Man. A longer cut and fleece-lined collar seal the deal.
BLACK DIAMOND Guide gloves ($155)
Extra Primaloft insulation and a removable liner keep the warmth in; Gore-Tex keeps moisture out; rugged construction makes the Guide a favorite of alpinists.
HOT CHILLYS La Montana baselayer pants ($30) and zip top (not shown, $60)
La Montana fleece is Hot Chillys' warmest. Close fit, stretch yarns and Lycra panels ensure mobility and banish moisture.
X-SOCKS Ski Adrenaline socks ($45)
Woven-in airflow conduits channel warmth from your arch to your toes. Merino wool (22 percent) traps heat, silver fibers control odor, and synthetics keep things dry.
SMARTWOOL Shadows hoodie ($100)
Adding a technical midlayer blocks out the bitterest of cold. Wool is still the warmest, and with its stylish design, the Shadows doubles smartly as cozy casual wear.
HOTTIE BOTTIE Heated neck warmer ($15)
The thick fleece is toasty all by itself, but insert a hand-warmer heat pack in back and feel the warmth radiate down your spine.
FINGERS AND TOES
HOTRONIC Power Plus 3.5 Custom boot-heater system (not shown, $185)
A rechargeablenickel metal hydride battery powers heating elements buried in your footbeds.Lasts all day at the medium setting, or crank it high for a quick blast.
HEAT PACKS (not shown, $1—$3)
Cozier living through chemicals. Slip them in your gloves or(if there's room) boots. With 150-degree heat, they give your digits a chance onthose single-digit days. Look for savings by buying in bulk.