
NON Sticky Cotton Adjustable Split King
Score: 87/100
Mellanni King Fitted Sheet
Score: 86/100Rankings

A high-thread-count split-king sheet set offering exceptional softness, hypoallergenic properties, and robust resistance to wear. The trade-off is a synthetic microfiber feel that may not satisfy purists seeking natural cotton. Best for budget-conscious couples with adjustable split-king beds who prioritize durability and easy care.

The Mellanni King fitted sheet offers a deep 16-inch pocket and silky-soft microfiber with OEKO-TEX certification, delivering quick-dry comfort. Its thin synthetic construction can feel cheap and may develop static or pilling. Ideal for budget-conscious, allergy-sensitive sleepers who need a breathable, easy-care sheet.
| Attribute | ![]() | ![]() |
|---|---|---|
18 inchesbest | 16 inches | |
1,800best | — | |
5 piecesbest | 4 pieces |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(4) | ||
Size (Mattress Fit) | Split King | King |
Material | 100% Long Staple Cotton | 100% double-brushed microfiber polyester |
Certifications | OEKO-TEX | OEKO-TEX STANDARD 100 |
Number of Pieces in Set (pieces) | 5 pieces | 4 pieces |
Design(1) | ||
Pocket Depth (inches) | 18 inches | 16 inches |

Products in the top-left offer the best value (high score, low price).

Editors and professional bedding reviewers acknowledge the set's practical split-top design and high thread count as strong points for adjustable split-king beds, but they caution that microfiber cannot fully replicate the luxurious feel and natural breathability of true Egyptian cotton. The percale weave and hypoallergenic properties are seen as solid functional benefits, while the synthetic material may limit its appeal to premium-seeking consumers.
Everyday users generally praise the sheet's secure fit on adjustable beds, its softness after washes, and the low-maintenance care instructions. Recurring themes include appreciation for deep pockets and wrinkle-free performance, alongside complaints about a slightly synthetic feel and occasional slipping when mattresses are very thick.

“stays in place when bed adjusts”

“soft and breathable after washes”

“truly very soft”




Professional reviewers commend the Mellanni Iconic Microfiber set for its exceptionally soft, silky texture, deep pocket fit, quick-dry convenience, and extensive color options, while noting the thinness may feel less substantial than cotton or flannel alternatives.
Everyday buyers consistently praise the initial softness, secure deep-pocket fit, wrinkle resistance, and cooling feel, but many express concerns about the thinness, occasional pilling, slipping on very thick mattresses, and static in hot conditions.