Best Split King Flannel Sheets
Discover the perfect blend of cozy warmth and adaptable comfort with our top picks for split king flannel sheets. Designed to transform your sleep sanctuary, these sheets promise a soft, snuggly embrace that makes every night feel like a retreat. Dive into our curated selection and find your ultimate bedtime bliss with ease.
Most Cost-Effective: Superior Flannel Cotton Bed Sheet Set

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Soft and warm |
Breathable cotton flannel |
Oversized, flexible fit |
As the Most Cost-Effective pick, it offers a classic, high-quality flannel set without breaking the bank.
Made from 100% brushed cotton, it provides warmth and breathability—perfect for chilly nights.
The oversized fit with a flexible elastic band ensures it stays snug on mattresses between 15 and 18 inches thick, while the deep pockets keep everything securely in place.
Though it’s a bit limited in color options, its durability and affordability make it an ideal choice for budget-conscious buyers seeking cozy, timeless style in their bed.
Be sure to also check out the best moving blankets for more options! Also, here is the price history so you know exactly when to buy!

Best for Winter Comfort: Royal Tradition

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Warm and Heavyweight |
Soft and Comfortable |
Deep Pocket Fit |
Our team chose this as the "Best for Winter Comfort" because its heavyweight 170 GSM cotton flannel offers superior warmth and insulation, making it ideal for chilly nights.
The sheets are fully elasticized with deep pockets, ensuring a snug fit on mattresses up to 15" deep — plus, the light brushing creates an ultra-soft, cozy feel.
While it has a slight yellowish tint and can shrink after washing, the overall heavyweight warmth and plush softness make it perfect for cold sleepers seeking comfort during winter's grip.
Be sure to also check out the best selling bedroom sets for more options! Also, here is the price history so you know exactly when to buy!

Best for Easy Care: Bare Home

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Ultra soft fabric |
Deep mattress fit |
Easy to care |
Bare Home's Split Head Flex King Sheets are ultra-soft thanks to their premium microfiber yarns, making every night feel like a hotel stay.
The all-around elastic fitted sheet ensures a deep, snug fit on mattresses up to 15 inches thick, so no more slipping or bunching.
Plus, these sheets are a breeze to care for—simply machine wash and tumble dry.
Though they might feel a bit rough at first and could be slightly larger than expected, their durability and comfort quickly win you over.
Perfect for easy, everyday luxury!
Be sure to also check out the best split california king sheets for more options! Also, here is the price history so you know exactly when to buy!

Heavyweight Warmth: Superior

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Soft and cozy |
Quick-drying after wash |
Flexible fit for 15-18 inch mattresses |
Crafted from ultra-soft, brushed cotton flannel, it delivers exceptional warmth thanks to its heavyweight design, perfect for cold winter nights.
The fully elasticized fit comfortably hugs mattresses up to 18 inches, ensuring no slipping or bunching.
We love how breathable the fabric feels yet still retains heat—ideal for those who crave cozy comfort.
Plus, with its charming paisley pattern and vibrant color options, it instantly elevates any bedroom decor.
Keep in mind, it may develop a slight chemical smell initially and can be prone to pilling over time, but overall, a warm, plush choice for chilly sleepers.
Be sure to also check out the best mink blankets for more options! Also, here is the price history so you know exactly when to buy!

Bare Home

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High-quality flannel fabric |
Warm and cozy |
Easy machine wash |
These thick and fuzzy sheets from Bare Home use high-quality flannel that feels ultra-soft and durable.
The plush, densely-woven cotton guarantees you'll stay toasty warm all winter long, making chilly mornings much more bearable.
Plus, the 15-inch deep pockets on the fitted sheets ensure a snug fit on your split king mattress—no slipping or bunching.
They're also machine washable with no fuss, thanks to tightly stitched threads and sturdy fabric.
Keep in mind, some folks might notice a slight initial odor or dye rubbing, but overall, these sheets strike the perfect balance of comfort and convenience.
Be sure to also check out the best vegan silk sheets for more options! Also, here is the price history so you know exactly when to buy!

Bare Home

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Very soft and cozy |
Deep pockets fit well |
High-quality flannel feel |
The Bare Home Flannel Sheets deliver exceptional softness with their plush, high-quality fabric that feels cozy all winter long.
The deep pockets fit snugly over thicker mattresses, ensuring a sleek, smooth look without any slipping.
While a bit prone to shrinking and wrinkles after washing—common with flannel—they hold up well over time, especially with gentle care.
The fitted sheet can be quite tight initially, but it stretched out comfortably after a few washes.
Overall, a stylish, warm choice for chilly nights that won't disappoint.
Be sure to also check out the best bunk bed sheets for more options! Also, here is the price history so you know exactly when to buy!

Royal Hotel Bedding Split King Flannel Sheets

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Warm and cozy |
High-quality material |
Good fit for deep mattresses |
The Royal Hotel Bedding Flannel Sheets deliver exceptional warmth and coziness, perfect for chilly nights.
Made from 100% natural cotton with 170GSM, these sheets feel silky soft against the skin and are hypoallergenic—great for sensitive sleepers.
The modern animal-themed pattern adds a fun touch, while the deep-pocket fitted sheet fits mattresses up to 16 inches deep effortlessly.
Although the size might vary slightly and color options are limited, these sheets remain a top pick for comfort and quality.
A cozy, easy-to-care-for choice for any bed!
Be sure to also check out the best massage table sheets for more options! Also, here is the price history so you know exactly when to buy!

Superior
Superior Flannel Sheet Set
Superior Bed Sheets

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Ultra soft and fluffy |
Deep pocket fit |
Breathable cotton fabric |
The ultra-soft 100% cotton flannel creates a cozy, breathable barrier against the cold, perfect for chilly nights.
The deep pockets comfortably fit mattresses up to 18 inches thick, ensuring a snug, wrinkle-free fit that stays put.
Plus, the vibrant purple color and classic paisley pattern add a touch of elegance to any bedroom.
While it does shed lint initially and is a bit thin in quality, its lightweight feel and all-season versatility make it a solid choice.
Overall, a stylish, comfy, and functional set that keeps you warm without overheating.
Be sure to also check out the best cal king comforter sets for more options! Also, here is the price history so you know exactly when to buy!

CGK Unlimited

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Deep pocket fit |
Super soft microfiber |
Festive holiday design |
The CGK Unlimited Holiday Sheets deliver exceptional softness and a cozy feel, perfect for those chilly winter nights.
The deep pocket fit ensures a snug, secure hug around most mattresses up to 16 inches deep, making setup a breeze.
With their vibrant festive design and breathable microfiber, these sheets add a cheerful touch to your room while keeping you cool.
Although they're on the thinner side, their durability holds up well with gentle use.
Plus, their easy-care, wrinkle-free feature makes holiday mornings a snap.
Overall, a playful yet practical choice for holiday comfort!
Be sure to also check out the best copper infused bed sheets for more options! Also, here is the price history so you know exactly when to buy!

Royal Tradition Split King Flannel Sheets

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Super soft and cozy |
Thick and warm |
Fits adjustable beds |
The Royal Tradition Flannel Sheets deliver luxury comfort with their heavyweight, 100% natural cotton material, making them perfect for chilly nights.
The ultra-soft, lightly brushed fabric hugs your skin, offering cozy warmth without overheating.
Designed with deep pockets and fully elasticized fitted sheets, they stay snug on adjustable beds, ensuring no slipping.
Plus, the charming Christmas Deer pattern adds a festive, playful touch to any bedroom.
Just a heads-up—these sheets are a bit delicate and require gentle care, but overall, they offer a superior, inviting sleep experience for cold sleepers.
Be sure to also check out the best mink blanket for more options! Also, here is the price history so you know exactly when to buy!
