Had to chuckle at that “Breakfast of Layers” tagline…very clever. If you like a dose of fashion with base layering you need to check out MATEK’s Gentoo union suit ($150). You wouldn’t think one-piece thermals with a butt-flap would end up in a fashion publication but check out this article by Vogue Magazine: 
“The Gentoo is cut in a super soft and stretchy fabric made from recycled Nylon that will keep your stank and sweat in check. Easy to put on and take off (see: buttons), with thin mesh at the calves that’ll keep your socks in place and ensure there’s less bulk cramming up your boots. Finished with an easy-access butt-flap—a nod to the union suit of yesteryear, except streamlined with a hook-and-loop entry.”
BUY HERE
ABOUT MATEK:
We’re just gonna come right out and say it: we’re niche. We offer only what we specialize in, but we promise it’s special.
We can’t guarantee you’ll be completely safe on the mountain. Nor can we promise that you didn’t mistake someone else’s orange helmet for your brother’s, and have subsequently ended up in rough terrain where you have no place being. We can’t guarantee that your boots are securely fastened to your snowboard. And we certainly can’t promise that your partner will find the pole you dropped off the chairlift. And we take absolutely no responsibility for that.
But here’s what we can offer: made-in-California Technical Performance Intimates™. Never heard of it? That’s because we invented it.
These are the baselayers of winter sports apparel. Think of them as a second skin, yet ones that combine technical materials with performance-enhancing fits and details that pieces this intimate require.
What do we mean by intimate? Think about it: whether you’re hitting the slopes or hitting your foot against the ground because it’s currently numb, our Technical Performance Intimates™ will be the first things you put on in the morning and the last things you take off après-après. We call them intimates because they are, quite literally, intimate.
Which is why our pieces will not only keep you warm when you’re cold and dry when you’re sweaty, but they’ll also make you feel like a double-black diamond even if you’re speeding uncontrollably down a bunny hill, legs splayed and arms flailing. Because as we like to say, it’s what’s on the inside that counts—or in our case, the layer closest to your skin.
Get it? Got it? Good. (No, but seriously, if you have any questions please ask. It’s what we live for.)
images from MATEK FB and MATEK website