20 Adorable Baby Boy Fall Outfit Must-Haves (With Amazon Finds You’ll Love!)

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Let’s be real baby boys in fall outfits? Instant heart-melter. 

Whether you’re taking your little one to the pumpkin patch, heading out for a family walk, or just snapping pics for the ‘Gram, these cozy picks are must-haves for the season. And the best part? 

Most of these are on Amazon, so you don’t even have to leave your couch 

1. Chunky Knit Sweater Romper

The classic cable-knit look but in onesie form? Obsessed. It keeps baby warm, looks super high-end, and pairs well with booties or a beanie.

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2. Plaid Flannel Button-Up Shirt

Nothing screams fall like a tiny flannel shirt. Dress it up or down, layer over a onesie, or pair with denim joggers.

🛒 Try this:

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3. Corduroy Overalls

Corduroy is such a fall vibe and looks so good in photos. Pick a rust, olive, or tan shade for extra autumn feels.

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4. Long Sleeve Onesie Multipack

These are your layering MVPs. Look for neutral or fall-inspired prints—like leaves, acorns, or woodland animals.

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5. Baby Knit Beanie

Keep those little ears warm with a cozy knit hat! Neutral shades go with everything and pom-poms just make them cuter.

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6. Quilted Jacket

Perfect for layering on cooler days, a soft quilted jacket adds style and warmth without bulk.

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7. Hooded Bear Jumpsuit

A one-piece fleece outfit with bear ears on the hood? Stop. It’s so cozy and adorable for fall strolls or quick errands.

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8. Sweater Pants

Soft, stretchy, and easy to move in—sweater pants are the chill version of jeans for babies. Looks dressed up but feels like loungewear.

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9. Leather Moccasins

Warm little feet + stylish fall colors = a win. Baby moccasins are comfy and actually stay on.

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10. Graphic Sweatshirts

Think pumpkins, acorns, or phrases like “Cutest Pumpkin in the Patch.” Great for themed days or photoshoots!

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11. Denim Joggers

Soft denim-style pants with an elastic waist? YES. They’re cute, comfy, and match literally everything.

🛒 Try this: Amazon Baby Boy Joggers

12. Neutral Onesie + Suspender Set

Perfect for family photos or fall birthdays. Add a bowtie or newsboy cap for extra charm!

🛒 Try this: Amazon Baby Suspender Outfit

13. Pumpkin Patch Outfit Set

Some Amazon sellers bundle cute fall sets—think onesie + pants + beanie with pumpkins, leaves, or plaid.

🛒 Try this: Amazon Baby Pumpkin Outfit

14. Layered Look Hoodie

A hoodie with built-in plaid or denim collar for a “layered” look without the fuss? YES. Great for casual fall days.

🛒 Try this: Amazon Baby Layered Hoodie

15. Sherpa Booties

These little fleece-lined booties will keep baby’s toes toasty, and they make any outfit look ten times cuter.

🛒 Try this: Amazon Baby Sherpa Booties

16. Fleece Jogger Set

Matching top and bottom in soft fleece? You just can’t go wrong. Look for sets in caramel, deep green, or burnt orange.

🛒 Try this: Amazon Fleece Baby Set

17. Waffle Knit Sets

These have been everywhere and for good reason. They’re breathable, soft, and have that cute, lived-in texture that’s very fall.

🛒 Try this: Amazon Waffle Knit Baby Outfit

18. Layering Vest

A cozy little puffer or quilted vest over a basic long sleeve onesie? Chef’s kiss. Adds warmth without overheating.

🛒 Try this: Amazon Baby Vest

19. Ribbed Henley Tops

The buttons! The texture! These look adorable with joggers, jeans, or under overalls. Earthy tones feel super on-trend.

🛒 Try this: Amazon Ribbed Baby Shirt

20. Fall-Themed Bibs or Bandanas

Because drool happens—but make it seasonal. Look for bandana bibs with fall leaves, pumpkins, or cozy colors.

🛒 Try this: Amazon Fall Baby Bibs

Final Tip: Mix & match these to create cozy little “capsule wardrobe” looks for your baby boy this fall. Stick to earthy tones like brown, mustard, forest green, and cream—and add themed pieces for those extra cute moments (hello, pumpkin patch pics 🎃).