Long Sleeve Base Layers

Long sleeve base layers are the unsung heroes of outdoor adventures, providing a foundation of comfort and warmth that truly enhances your experience. Crafted with quality materials that promise durability and lasting value, these versatile essentials are perfect for layering in cooler weather or wearing solo during milder days. Designed to be both timeless and relevant, they offer a seamless blend of style and functionality, making them a go-to choice for any outdoor enthusiast. Whether you're hiking through the woods or enjoying a casual day outside, long sleeve base layers ensure you stay cozy and comfortable throughout your journey.

Sort by:

Filter & Sort

298 Items

Men's Carefree Unshrinkable Tee, Traditional Fit, Long-Sleeve
Women's Pima Cotton Turtleneck, Long-Sleeve
Women's L.L.Bean Tee, Long-Sleeve Crewneck
Men's Unshrinkable Mini-Waffle Henley, Long-Sleeve Traditional Fit
Women's L.L.Bean Interlock Turtleneck, Long-Sleeve Stripe
Price was from: $34.95 now: $28.99
Women's Silk Pointelle, Long-Sleeve Scoopneck
Women's Silk Underwear, Scoopneck
Women's Everyday SunSmart® Tee, Crewneck Long-Sleeve
Price was from: $44.95 now: $37.99
Men's Cresta Wool Midweight 250 Crew Top
Women's Silk Underwear, Turtleneck
Men's Silk Underwear, Crewneck
Men's Double-Layer Underwear, Crewneck
Price was from: $49.95 now: $39.99
Men's Cresta Midweight 250 Quarter-Zip Top
Women's Cresta Midweight 250 Crew Top
Men's L.L.Bean Fleece Base Layer Crew, Long-Sleeve
Price was from: $44.95 now: $34.99
Women's Cresta Midweight 250 T-Zip Top
Men's Cresta Ultralight 150 Crew Top
Women's Cresta Ultralight 150 Crew Top
Women's L.L.Bean Simple Soft Base Layer, Crew
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
Men's Everyday SunSmart® Tee, Long-Sleeve Hoodie Stripe
Price was from: $59.95 now: $44.99
Men's Cresta Wool Ultralight 150 Base Layer, Hoodie
Women's Cresta Wool Ultralight 150 Turtleneck
Men's Cresta Ultralight 150 Crew Top, Stripe

Long Sleeve Base Layers

Long sleeve base layers are the unsung heroes of any outdoor adventure, quietly working behind the scenes to keep you comfortable, dry, and ready for whatever the day brings. Whether you’re heading out for a morning hike, camping with the family, or just enjoying a brisk walk around the neighborhood, a dependable base layer provides a solid foundation for your outfit. These versatile pieces are designed to wick away moisture and help regulate your temperature, making them a smart choice year-round—even in the heart of summer. On cool July mornings, when the air is crisp and the dew still clings to the grass, pulling on a soft, long sleeve base layer can make all the difference. It’s that extra bit of warmth when the sun hasn’t quite crested the treetops, or the layer you reach for when the weather turns unexpectedly chilly by the lake. Because they’re designed to be worn close to the skin, comfort is key—look for base layers made with smooth, breathable fabrics that move with you, so you can focus on the fun, not on fidgeting with your clothes.

Long sleeve base layers are a thoughtful gift for anyone who loves spending time outdoors, from seasoned adventurers to those just starting to appreciate the joys of fresh air. They’re especially appreciated by campers, hikers, anglers, runners, and anyone who finds themselves outside as the day cools down. These layers also make a great addition to a college student’s packing list or a welcome surprise for a friend who’s always cold in the office. The beauty of a well-made base layer lies in its simplicity and lasting value; it slips easily under a favorite flannel or fleece, pairs just as well with jeans as it does with hiking pants, and holds up to repeated wear and washing. Over time, many people find themselves reaching for the same trusty base layer again and again, whether they’re heading out on a family apple-picking trip in the fall or layering up for a late-summer evening around the campfire. When choosing a base layer, consider the weight and fabric for your intended activities. For those looking for something lighter for warmer months or high-output adventures, our Lightweight Base Layers collection offers breathable options designed to keep you cool and comfortable.

No matter your plans, a quality long sleeve base layer is a reliable companion, ready to handle changing conditions and active days. With their timeless style and easy-care construction, these layers fit seamlessly into any wardrobe, offering the kind of comfort and durability that stands up to years of use. It’s the piece you’ll appreciate on cool summer mornings, during autumn hikes, or while relaxing at home after a day outdoors. From backyard barbecues to mountain trails, a base layer adds just the right amount of warmth without weighing you down. Choose one that feels good against your skin, moves with you, and fits your lifestyle—because the best adventures start with the right foundation.