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  1. L.L.Bean/Infant Base Layers
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Infant Base Layers

Infant Base Layers are a cozy essential for keeping little ones comfortable as they explore the world around them. Designed with care for everyday adventures, these pieces offer softness and versatility for layering in any season. Whether heading outside or enjoying time at home, find timeless styles made to fit your family's active lifestyle.

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  • Infants' Ultralight 650 Down Bunting
    Infants' Ultralight 650 Down Bunting
    $120

    An ultralight pink bunting with water-resistant recycled nylon and extra-lofty, PFC-free down insulation.

  • Infants' Wicked Warm Underwear, One-Piece
    Infants' Wicked Warm Underwear, One-Piece
    $39.95

    A cozy cobalt sea one-piece base layer made from 100% polyester with easy snaps for infants.

  • Infants' L.L.Bean Hi-Pile Fleece Bunting
    Infants' L.L.Bean Hi-Pile Fleece Bunting
    $54.95

    A super snuggly field rose fleece bunting with rollover cuffs and a deep full-front zipper for infants.

    Pros: Comfort Warmth Ease of use Calming effect Versatility

  • Infants' Wicked Warm Underwear, One-Piece, Print
    Infants' Wicked Warm Underwear, One-Piece, Print
    $44.95

    A colorful, moisture-wicking polyester one-piece base layer with easy snaps for quick dressing and undressing.

  • Infants' and Toddlers' L.L.Bean Hi-Pile Fleece Jacket
    Infants' and Toddlers' L.L.Bean Hi-Pile Fleece Jacket
    $64.95

    A bright navy fleece jacket with adorable bear ears, reflective details, and cozy hand warmer pockets.

    Pros: Perfect fit Cuteness Softness Warmth Well made

  • Infants' and Toddlers' Mountain Classic Fleece
    Infants' and Toddlers' Mountain Classic Fleece
    Price was from: $54.95 now: $46.99 $54.95 $46.99

    A warm, anti-pill deep sapphire fleece jacket with reflective details, perfect for infants and toddlers.

    Pros: Lightweight Good in snow Roomy jacket Cozy Warm

  • Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip
    Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip
    $64.95

    A cozy, full-zip fleece with a sweater-knit look, perfect for active infants and toddlers.

    Pros: Lightweight Warmth Softness Great coverage Cute design

  • Infants' and Toddlers' Cold Buster Snowsuit, Print
    Infants' and Toddlers' Cold Buster Snowsuit, Print
    $120

    A cozy blue one-piece snowsuit with Thinsulate insulation, wind- and water-resistant nylon, and adjustable features.

  • Kids' Wicked Warm Midweight Long Underwear, Top Print
    Kids' Wicked Warm Midweight Long Underwear, Top Print
    $29.95

    A multi-color printed synthetic top with thumbhole cuffs that keeps kids warm and dry all winter.

    Pros: Makes a great gift Good price Attractive design Flattering cut Comfortable fit

  • Kids' Wicked Warm Long Underwear, Expedition-Weight Pants
    Kids' Wicked Warm Long Underwear, Expedition-Weight Pants
    $32.95

    An expedition-weight pink base layer pant with brushed fleece lining and moisture-wicking, quick-drying stretch fabric.

  • Toddlers' Wicked Warm Midweight Underwear Set, Print
    Toddlers' Wicked Warm Midweight Underwear Set, Print
    $44.95

    A moisture-wicking, midweight synthetic base layer set in a fun multi-color print for toddlers.

    Pros: Durable construction Comfortable for toddlers Fun rainbow dot pattern Provides excellent warmth Adjustable cuffs for better fit

  • Infants' and Toddlers' L.L.Bean Sweater Fleece, Hooded Colorblock
    Infants' and Toddlers' L.L.Bean Sweater Fleece, Hooded Colorblock
    Price was from: $64.95 now: $54.99 $64.95 $54.99

    A cozy, hooded fleece with fun colorblocking, perfect for active toddlers, in bright navy and pewter.

  • Infants' and Toddlers' Cotton Rollneck Sweater
    Infants' and Toddlers' Cotton Rollneck Sweater
    Price was from: $54.95 now: $26.99 $54.95 $26.99

    A cozy green rollneck sweater made from 100% organic cotton with raglan sleeves and ribbed cuffs.

  • Toddlers' Mountain Classic Fleece Pants
    Toddlers' Mountain Classic Fleece Pants
    Price was from: $44.95 now: $37.99 $44.95 $37.99

    A pair of ultra-cozy, natural-colored fleece pants with nylon overlays, perfect for toddlers aged 6-12 months.

  • Infants' and Toddlers' Mountain Fleece Pants
    Infants' and Toddlers' Mountain Fleece Pants
    Price was from: $32.95 now: $24.99 $32.95 $24.99

    A pair of lavender ice fleece pants with stretch, perfect for infants and toddlers on the move.

  • Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip Print
    Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip Print
    $74.95

    A cozy multi-color fleece jacket with a full zip, soft brushed interior, and roomy hood for warmth.

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Check out the following recommendations.

When it comes to keeping babies comfortable through changing seasons, the right baby layer can make all the difference. Infant base layers are thoughtfully designed to provide a gentle, snug foundation that helps little ones feel cozy whether they're napping indoors, heading out in a stroller, or playing in the yard with family. Many parents and caregivers find that these base layers become a daily staple, especially during those transitional times when the weather can shift from warm to cool in a single afternoon. The soft, close fit of a baby long underwear set helps keep warmth close and makes it easy to add or remove layers as needed—something every parent appreciates during unpredictable weather. Whether you’re dressing your own child or searching for a practical, thoughtful baby shower gift, a high-quality base layer is a welcome addition to any collection of ll bean baby clothes.

Material is one of the most important considerations when choosing an infant base layer. Many families gravitate toward options made with merino wool or other premium fibers, as these offer a natural balance of softness, breathability, and temperature regulation. A ll bean merino wool base layer, for example, is often praised for its ability to keep babies comfortable in a wide range of conditions, gently insulating without feeling bulky or restrictive. These layers are designed to be worn right against the skin, so they’re crafted with special attention to minimizing seams and maximizing comfort—ideal for sensitive skin and long stretches of wear. Parents who spend time outdoors with their little ones, whether it’s a family hike, a walk to the park, or a weekend at a cabin, appreciate how an llbean base layer can help keep babies feeling just right from morning to evening. And as families prepare for the return of cooler mornings and crisp evenings, having a reliable set of base layers on hand means one less thing to worry about when getting everyone ready for the day.

Infant base layers are also a favorite choice for gifting, especially when you want to give something that’s both practical and meaningful. These essentials are often passed along from one child to the next, a testament to their durability and timeless appeal. With so many adorable designs and easy-care fabrics, it’s simple to find a style that matches the needs and personality of any growing family. For those building a layette or updating a baby’s wardrobe for the season ahead, consider exploring our full selection of Essential Infant Clothing for more ideas and inspiration. Thoughtfully chosen base layers help ensure that little adventurers stay comfortable, no matter where the day takes them—making every moment outside together just a bit more enjoyable.

Popular Items

Infants' and Toddlers' Mountain Classic Fleece Hat and Mitten Set
Infants' and Toddlers' Mountain Classic Fleece Hat and Mitten Set
$39.95
Infants' and Toddlers' Cold Buster Waterproof Mittens
Infants' and Toddlers' Cold Buster Waterproof Mittens
$26.95
Toddlers' L.L.Bean Flannel Pajamas
Toddlers' L.L.Bean Flannel Pajamas
$23.99 $49.95
Toddlers' Wicked Warm Midweight Underwear Set, Print
Toddlers' Wicked Warm Midweight Underwear Set, Print
$44.95
Infants' Wicked Warm Underwear, One-Piece, Print
Infants' Wicked Warm Underwear, One-Piece, Print
$37.99 $44.95
Infants' Wicked Warm Underwear, One-Piece
Infants' Wicked Warm Underwear, One-Piece
$39.95
Toddlers' Multisport Joggers
Toddlers' Multisport Joggers
$44.95
Toddlers' Fleece-Lined Flannel Shirt, Hooded
Toddlers' Fleece-Lined Flannel Shirt, Hooded
$54.99 $64.95
Infants' and Toddlers' Mountain Fleece Pants
Infants' and Toddlers' Mountain Fleece Pants
$24.99 $32.95
Toddlers' L.L.Beanie
Toddlers' L.L.Beanie
$19.95
Infants' and Toddlers' Cotton Rollneck Sweater
Infants' and Toddlers' Cotton Rollneck Sweater
$26.99 $54.95
Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip Print
Infants' and Toddlers' L.L.Bean Sweater Fleece, Full-Zip Print
$74.95
Toddlers' Wicked Warm Midweight Underwear Set
Toddlers' Wicked Warm Midweight Underwear Set
$39.95
Toddlers' Cozy Rangeley Boot Sock 2-Pack
Toddlers' Cozy Rangeley Boot Sock 2-Pack
$29.95
Infants' and Toddlers' Graphic Tee, Long-Sleeve Glow-in-the-Dark
Infants' and Toddlers' Graphic Tee, Long-Sleeve Glow-in-the-Dark
$24.99 $29.95

FAQs

Infant base layers are designed to provide a comfortable first layer of clothing for babies, helping them feel cozy in a variety of settings. They can be worn alone or under other outfits for added comfort. Many families use them during outdoor activities or everyday play.

Most infant base layers can be machine washed and dried, making them easy to care for. Always check the care label on each item for specific instructions. Gentle cycles and mild detergents are generally recommended.

Yes, infant base layers are versatile enough to be worn throughout the year. They work well as a standalone piece in warmer months or as a layering option when it’s cooler. Their simple design makes them a staple in many baby wardrobes.

Infant base layers often feature soft fabrics like cotton or cotton blends for comfort against delicate skin. Some may include other fibers for added stretch or durability. Always refer to product details for exact fabric content.

Yes, infant base layers come in various styles such as long-sleeve tops, short-sleeve tops, and leggings or pants. This variety allows parents to choose options that best suit their baby's needs and the season.

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