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Thermal Long-Sleeve Shirts

Find thermal long-sleeve shirts in the style and fit you prefer. Browse the available options, then check each thermal top’s fabric, sizing and care details to choose the right one for your wardrobe.

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Men's L.L.Bean Midweight Base Layer Crew Top
L.L.Bean Men's L.L.Bean Midweight Base Layer Crew Top
A midweight, moisture-wicking base layer with anti-odor treatment, made from recycled polyester and elastane.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's Cresta Ultralight 150 Turtleneck, Stripe
L.L.Bean Men's Cresta Ultralight 150 Turtleneck, Stripe
A lightweight, itch-free 100% merino wool turtleneck in regatta blue, perfect as a base layer for winter sports.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
SALE
Men's Cresta Ultralight 150 Crew Top, Stripe
L.L.Bean Men's Cresta Ultralight 150 Crew Top, Stripe
A remarkably soft and warm striped crew top made of 100% merino wool, perfect for any season.
(75)
$89.95 $75.99
SALE
$89.95 $75.99
SALE
Men's Cresta Wool Ultralight 150 Turtleneck
L.L.Bean Men's Cresta Wool Ultralight 150 Turtleneck
An alloy gray, 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
SALE
Men's L.L.Bean Heavyweight Base Layer Crew Top, Print
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Crew Top, Print
A heavyweight, moisture-wicking, and quick-drying base layer with anti-microbial finish in kelp green camo.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Heavyweight Base Layer Crew Top
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Crew Top
A heavyweight base layer crew top in midnight black, made from recycled polyester with moisture-wicking properties.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Simple Soft Base Layer, Crew
L.L.Bean Men's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, moisture-wicking synthetic base layer crewneck with thumbholes, perfect for everyday warmth.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Women's L.L.Bean Heavyweight Base Layer Crew Top, Print
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Crew Top, Print
A blue heavyweight crew top made from recycled polyester, offering warmth, moisture-wicking, and odor control.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Women's L.L.Bean Midweight Base Layer Crew Top
L.L.Bean Women's L.L.Bean Midweight Base Layer Crew Top
A midweight, moisture-wicking base layer made from recycled polyester with anti-odor treatment and thumb holes.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Women's L.L.Bean Heavyweight Base Layer Crew Top
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Crew Top
A midnight black, heavyweight base layer top made from recycled polyester, offering warmth, moisture-wicking, and odor control.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
L.L.Bean Men's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
A versatile midweight base layer with REPREVE® recycled polyester, anti-microbial finish, and thumb holes for comfort.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE

Thermal Long-Sleeve Shirts

Thermal Long-Sleeve Shirts have an understated appeal that feels right at home in a thoughtfully chosen wardrobe. There’s something satisfying about finding a shirt that reflects your style without asking you to rethink everything else you own—a familiar neckline, a color you reach for often, a fit that feels like you. As you browse, look beyond the first impression and consider the details that make one option more appealing than another. A simple crewneck offers a different look from a buttoned neckline, while a straight hem creates a different outline from a curved one. Where those options are available, let your own preferences lead the way. Quiet neutrals, deeper shades and nature-inspired colors each bring their own character; the best choice is often the one you can already picture alongside the clothes in your closet.

Fit deserves a little extra attention when choosing a thermal long-sleeve shirt, especially if you’re comparing unfamiliar styles. Start with the individual size chart rather than assuming your usual size will give you the same fit in every shirt. Look at the stated fit, then check any available chest, sleeve and body measurements. A favorite shirt at home can be a useful point of reference: lay it flat and compare equivalent measurements, following the retailer’s measuring directions. Think about the details you notice during an ordinary day, too. You may prefer sleeves that end neatly at the wrist, a neckline that sits a little farther from the neck or more room through the body. Product photographs can help you assess the shape, but measurements and fit descriptions offer a clearer basis for comparison. Read each shirt’s thermal description and care instructions individually as well, rather than treating the category name as a promise that every option is the same.

A thermal long-sleeve shirt can also make a thoughtful gift for someone whose personal style you know well. Picture the person opening the drawer where they keep their favorite shirts: perhaps everything is neatly folded in shades of gray and navy, or perhaps there’s always one richly colored shirt on top. Those small, familiar details are better clues than choosing what you would wear yourself. Check their preferred size and neckline if you can, and pay attention to whether they usually choose a closer or roomier fit. For your own wardrobe or someone else’s, there’s no need to choose several styles at once. Begin with the details that matter most, compare the options carefully and favor a shirt that feels like a considered addition rather than an afterthought. Timeless style is personal, and the simplest choices often say the most.

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