The proCOOL T with Mesh Base Layer is our best selling short sleeve, warm-weather-oriented base layer. It's ideally suited for temps ranging from 50-90 degrees, with its versatility rooted in the engineering of its fabric. proCOOL is a continuous hexachannel filament -- meaning that each fiber... read more

This version of the sleeveless proCOOL base layer is known as the Superlight Mesh, and it's what you want to choose on heinously hot days. Its full mesh construction has a honeycomb grid with substantially wider holes to it than plain proCOOL. This grid gives it full air permeability, and its... read more

Don't get distracted by the word "Extreme" here. It doesn't mean what you think. The first time we saw it we figured by "Extreme" Craft meant this base layer was meant for extreme weather conditions, i.e. frigid temps, blizzards, the ice age, etc. In fact that's exactly what it's NOT meant... read more

proZERO Extreme was first designed for the Swedish Nat'l Nordic Skiing team. In the early and late season, they often skied in cool conditions where they were generating enormous body heat through intense efforts. They needed a base layer that would trap in warmth when they were skiing at a... read more

The proZERO Long Sleeve Base Layer is the workhorse of Craft's cool weather base layer system. It works on one simple principle: Drier skin = warmer body. Craft proZero fabric is the core of their layering system. It adheres to your body like a second skin thanks to its Air Rib construction that... read more

Some people like sleeveless base layers, some people like short sleeves. If you fall in the latter category, the Craft proZero Short Sleeve Base Layer is the perfect choice for your first layer in moderate to cold weather conditions. Like the sleeveless version, the short sleeve version of the... read more

Craft's proWARM base layer keeps you warm and dry during the coldest temps you'll dare ride in. It's rated for use from 30 degrees down(!), and it's an essential piece of your wardrobe when you choose the great, icy outdoors over another torture session on the windtrainer. proWARM is made... read more

The Craft proZero Gore Windstopper (WS) base layer is ideal for when the cold and wind start getting severe. Its Stretch Shield System (S3) is built with a 4-way stretch, windproof, breathable Windstopper panel. Windstopper is strategically placed on the chest to protect you where you need it... read more

The identical Windstopper technology to what you get in the long sleeve version of this base layer. The short sleeves are a bit more ideal for gusty days that aren't just outlandishly cold.

Its Stretch Shield System is built on a 4-way stretch, windproof, breathable Windstopper panel.... read more

The key behind a top-notch base layer is to keep moisture off your body. While sweating is your body's cooling mechanism, if the sweat begins to saturate your clothing, the heaviness of the fabric stifles your skin and causes you to overheat more quickly. Base layers keep your skin dry, and that... read more