This balaclava from Craft is a great base layer on winter rides.  It fits close to your skin, fits well under your helmet, and keeps you warm in the winter.

When the weather gets cold, the tough KEEP RIDING. It's easier when you've got the right gear... One size fits all Microsensor fabric

Pearl Izumi's versatile Adventure Head Gator quickly transforms from a neck gaiter to a hat, making it one of the handiest winter garments you can own. Easily adjust to changing weather via a shock cord on the top 96% polyester, 4% spandex Comfortable flatlock seams and ergonomic design

The Runski Midcap features Aqua-Trans wicking Micro Fleece and a terry band keep your head dry. Fits under a helmet and covers the ears.

Halo Protex Headbands feature a patented water-tight seal to direct sweat away from eyes and high performance Dryline fabric provides rapid evaporation. Features and Information Patented water-tight seal directs sweat away from eyes. High performance Dryline fabric provides rapid evaporation.

The Race Hat is ideal on those hot days and is made of Coolmax.Features and Information CoolMax

This balaclava from Borah is just the thing for riding during sub-freezing temperatures.  Flat lock stitching won't chafe while you're riding.  This is comfort rated at 45 degrees and below.

Pearl's Skull Cap is constructed of Microsensor stretch fabric and is designed to fit under your helmet. Adds essential warmth in the cold (most heat is lost through your head!) Soft, comfortable interior Countoured shape covers ears, forehead Nylon/Spandex/Polyester blend

Headsweats Sweat Tech Winter Skullcaps combine the warmth of polar microfleece with CoolMax fabric to wick away perspiration. One size fits all.

The classic Headsweats design. Coolmax wicking fabric to pull away sweat.

Thermaldress fabric is just the ticket to insulate and protect your head and face on a cold winter day. Contoured to fit easily under your helmet Long cut provides extra neck coverage One size fits all

Fits snugly under your helmet, adding a layer of insulation and wind protection. Brushed micro-fleece Thermo-Dry fabric. 1 size fits all