Deep seat cushions are the seat and back sets made for lounge chairs, sofas and sectionals with a deep frame. They are larger than dining chair pads, so the first job is matching the seat depth and the back height to your frame, not picking a color.
We compared deep seat sets sold for outdoor use on seat and back size, stated foam density, fabric type and coating, zipper and cover details, and warranty. For smaller chair pads, see Best Patio Chair Cushions, or browse the Outdoor Cushions category.
Our Top Picks
| Pick | Product |
|---|---|
| Best Overall | COZYVIDA Deep Seat Cushion Set of 2 |
| Best for Warranty | Goodgoods Deep Seat Cushions 2-Pack |
| Best for Washable Covers | Garden lucky Deep Seat Cushions Set of 2 |
| Best for Thick Seat | Aegisun Outdoor Deep-Seat Cushion Set |
| Best Value | L'AGRATY Deep Seat Cushions with Backrest |
| Best for Soft Feel | Greendale Home Fashions Deep Seat Cushion Set |
Pros
- Two full seat and back sets in one box
- Deep 27.5 inch seat suits lounge frames
- YKK zippers and a PFAS-free finish
Cons
- Water-resistant, not waterproof
- Ships compressed and needs a day or two to recover
- Will not fit standard dining chairs
COZYVIDA's set includes 2 seat cushions at 24 by 27.5 by 4.5 inches and 2 back cushions at 24 by 20 inches, sized for deep seat loungers and sectionals. The seats use 35D high-density foam, the polyester fabric carries a PFAS-free C0 water-repellent finish, and the covers open with YKK zippers. COZYVIDA backs the fabric with a 3-year limited warranty.
Amazon rating: not available in our product data.
Pros
- Longest fabric warranty listed here
- Thick 5.1 inch seat
- Deepest seat in this guide
Cons
- Backs need 2 to 3 days to fill out, per the maker
- 28 inch depth fits only deep frames
- Fewer colors than larger brands
Goodgoods sells 2 seat cushions at 24 by 28 by 5.1 inches with 2 back cushions at 24 by 20 inches. The seats use 35D high-resilience foam, the fabric is solution-dyed polyester with a water-resistant finish, and the edges are chamfered with full-length concealed zippers. Goodgoods lists a 5-year fabric limited warranty, the longest in this group.
Amazon rating: not available in our product data.
Pros
- Machine-washable covers per the maker
- Shorter 25 inch depth fits more frames
- Hidden YKK zippers
Cons
- Listing gives two different seat widths
- Water-resistant, not waterproof
- Back cushions are not as tall as some rivals
Garden lucky's set pairs 2 seat cushions with 2 back cushions of 23.5 by 22 inches. The seats are 5.1 inches thick with 35D high-resilience foam, the fabric is solution-dyed polyester with a C0 no-PFAS water-repellent coating, and Garden lucky says the covers can go in the washer on a cold gentle cycle. The listing title gives the seat as 23.5 by 25 inches but the description says 23 by 25, so measure your frame against both.
Amazon rating: not available in our product data.
Cons
- Title and description disagree on piece count
A 5.75 inch seat with a 25 by 22.5 inch back, 30D foam and a TPU-coated polyester cover. The title says set of 4 but the listing text describes 1 seat and 1 back, so confirm the count before you order.
Amazon rating: not available in our product data.
A 24 by 24 by 4 inch seat with a 24 by 22 inch back, 30D foam in the seat, polyester fiber in the back, two straps and a carry handle for moving it indoors.
Amazon rating: not available in our product data.
Cons
- Fiber fill, not foam
A fiber-filled 24 by 24 inch seat and a 28 by 22 inch back pillow with corded trim. The maker recommends storing it covered when not in use, so it suits a covered porch better than open sun.
Amazon rating: not available in our product data.
All Products Compared
| Product | Best For | Seat Size | Pieces | Fill | Fabric |
|---|---|---|---|---|---|
| COZYVIDA Deep Seat Cushion Set of 2 | Best Overall | 24 x 27.5 x 4.5 in | 2 seats, 2 backs | 35D foam | Solution-dyed polyester |
| Goodgoods Deep Seat Cushions 2-Pack | Best Warranty | 24 x 28 x 5.1 in | 2 seats, 2 backs | 35D foam | Solution-dyed polyester |
| Garden lucky Deep Seat Cushions Set of 2 | Best Washable Covers | 23 x 25 x 5.1 in | 2 seats, 2 backs | 35D foam | Solution-dyed polyester |
| Aegisun Outdoor Deep-Seat Cushion Set | Best for Thick Seat | 24 x 24 x 5.75 in | Seat and back | 30D foam | Polyester, TPU coated |
| L'AGRATY Deep Seat Cushions with Backrest | Best With Carry Handle | 24 x 24 x 4 in | Seat and back | 30D foam seat, fiber back | Oxford fabric |
| Greendale Home Fashions Deep Seat Cushion Set | Best Soft Feel | 24 x 24 x 5 in | Seat and back | Fiber batting | Outdoor polyester |
Top 3 Outdoor Deep Seat Cushions Reviewed
#1 COZYVIDA Deep Seat Cushion Set of 2: Best Overall
Why We Picked It
COZYVIDA's set includes 2 seat cushions at 24 by 27.5 by 4.5 inches and 2 back cushions at 24 by 20 inches, sized for deep seat loungers and sectionals. The seats use 35D high-density foam, the polyester fabric carries a PFAS-free C0 water-repellent finish, and the covers open with YKK zippers. COZYVIDA backs the fabric with a 3-year limited warranty.
Key Specifications
- Amazon rating: not available in our product data
- Seat: 24 x 27.5 x 4.5 inches (2)
- Back: 24 x 20 inches (2)
- Fill: 35D high-density foam
- Fabric: solution-dyed polyester, PFAS-free C0 finish
- Zippers: YKK
- Warranty: 3-year fabric limited (maker)
| Pros | Cons |
|---|---|
| Two full seat and back sets in one box | Water-resistant, not waterproof |
| Deep 27.5 inch seat suits lounge frames | Ships compressed and needs a day or two to recover |
| YKK zippers and a PFAS-free finish | Will not fit standard dining chairs |
Best For
Two deep seat lounge chairs or a loveseat-size sectional that needs new seats and backs.
Who Should Skip It
Anyone with a shallow frame, since the 27.5 inch depth will overhang.
Verdict
A complete, well-specified pair of deep seat sets with a clear fabric warranty.
COZYVIDA Deep Seat Cushion Set of 2
#2 Goodgoods Deep Seat Cushions 2-Pack: Best Warranty
Why We Picked It
Goodgoods sells 2 seat cushions at 24 by 28 by 5.1 inches with 2 back cushions at 24 by 20 inches. The seats use 35D high-resilience foam, the fabric is solution-dyed polyester with a water-resistant finish, and the edges are chamfered with full-length concealed zippers. Goodgoods lists a 5-year fabric limited warranty, the longest in this group.
Key Specifications
- Amazon rating: not available in our product data
- Seat: 24 x 28 x 5.1 inches (2)
- Back: 24 x 20 inches (2)
- Fill: 35D high-resilience foam
- Fabric: solution-dyed polyester
- Zippers: full-length, concealed
- Warranty: 5-year fabric limited (maker)
| Pros | Cons |
|---|---|
| Longest fabric warranty listed here | Backs need 2 to 3 days to fill out, per the maker |
| Thick 5.1 inch seat | 28 inch depth fits only deep frames |
| Deepest seat in this guide | Fewer colors than larger brands |
Best For
Shoppers who want the longest written fabric coverage.
Who Should Skip It
Owners of standard depth patio chairs.
Verdict
Similar to our top pick, with a deeper seat and a longer warranty.
Goodgoods Deep Seat Cushions 2-Pack
#3 Garden lucky Deep Seat Cushions Set of 2: Best Washable Covers
Why We Picked It
Garden lucky's set pairs 2 seat cushions with 2 back cushions of 23.5 by 22 inches. The seats are 5.1 inches thick with 35D high-resilience foam, the fabric is solution-dyed polyester with a C0 no-PFAS water-repellent coating, and Garden lucky says the covers can go in the washer on a cold gentle cycle. The listing title gives the seat as 23.5 by 25 inches but the description says 23 by 25, so measure your frame against both.
Key Specifications
- Amazon rating: not available in our product data
- Seat: 23 or 23.5 x 25 x 5.1 inches (listing gives both)
- Back: 23.5 x 22 inches
- Fill: 35D high-resilience foam
- Fabric: solution-dyed polyester, C0 no-PFAS coating
- Covers: machine washable, cold gentle cycle (maker)
- Zippers: YKK, hidden
| Pros | Cons |
|---|---|
| Machine-washable covers per the maker | Listing gives two different seat widths |
| Shorter 25 inch depth fits more frames | Water-resistant, not waterproof |
| Hidden YKK zippers | Back cushions are not as tall as some rivals |
Best For
Households that want to wash covers in a machine instead of spot cleaning.
Who Should Skip It
Very deep lounge frames that need 27 inches or more.
Verdict
The easiest set here to keep clean, with a seat depth that fits a wider range of frames.
Garden lucky Deep Seat Cushions Set of 2
Also on Our List
- Aegisun Outdoor Deep-Seat Cushion Set (Best for Thick Seat): A 5.75 inch seat with a 25 by 22.5 inch back, 30D foam and a TPU-coated polyester cover. The title says set of 4 but the listing text describes 1 seat and 1 back, so confirm the count before you order.
- L'AGRATY Deep Seat Cushions with Backrest (Best With Carry Handle): A 24 by 24 by 4 inch seat with a 24 by 22 inch back, 30D foam in the seat, polyester fiber in the back, two straps and a carry handle for moving it indoors.
- Greendale Home Fashions Deep Seat Cushion Set (Best Soft Feel): A fiber-filled 24 by 24 inch seat and a 28 by 22 inch back pillow with corded trim. The maker recommends storing it covered when not in use, so it suits a covered porch better than open sun.
How to Choose Outdoor Deep Seat Cushions
Measure the Frame First
Measure the seat depth from the front rail to the back frame and the width between the arms, then compare those numbers to the seat size in each listing. A cushion that is too deep hangs over the front edge, and one that is too narrow slides sideways.
Foam Density and Fill
Most foam sets list a density such as 30D or 35D. A higher number usually means a firmer, longer-lasting seat, but density alone does not tell you how soft the seat feels. Fiber-filled cushions feel softer at first and tend to flatten sooner.
Fabric and Coating
Solution-dyed fabrics carry color through the fiber, which helps them resist fading. Water-resistant coatings shed light rain, but foam can still absorb water through seams and zippers, so few listings promise a fully waterproof cushion.
Covers and Zippers
Removable covers make cleaning easier. Check whether the maker allows machine washing or only spot cleaning, and follow that instruction, because the wrong wash can damage coatings.
Ties and Storage
Ties or straps keep cushions from sliding and from lifting in wind. Even so, bring cushions in or store them in a box or bag during storms and long wet spells.
How We Evaluate Outdoor Deep Seat Cushions
For this guide we compared deep seat cushion sets on stated seat and back size, foam density, fabric and coating, cover and zipper details, and warranty. We read each maker's specifications and checked listing titles against their descriptions, and we point out where the two disagree. Most listings here had no rating data in our product feed, so ratings did not decide the order. We did not handle or measure these cushions ourselves, every figure comes from the maker's listing, and we never repeat a waterproof or fade claim as our own.
Variants of one listing count as a single product, and we would rather list a few strong picks than pad the list. Our full process is on the How We Review page.
FAQ
What is a deep seat cushion?
A seat and back set made for lounge furniture with a deeper seat than a dining chair. Measure your frame, because deep seat sizes vary widely between brands.
Are deep seat cushions waterproof?
Most listings say water-resistant. The fabric sheds light rain, but water can still reach the foam through seams, so store cushions dry when you can.
Can I wash deep seat cushion covers?
Some makers allow machine washing and others ask for spot cleaning only. Follow the care label on your set.
Final Verdict
COZYVIDA's set of 2 is our top pick for its deep seat, 35D foam and clear warranty. Goodgoods offers the longest fabric warranty listed, and Garden lucky has covers the maker says can go in the washer.
Aegisun has the thickest seat, L'AGRATY adds a carry handle, and Greendale is the soft, fiber-filled choice for a covered porch. For loose seat pads and more general picks, see Best Outdoor Cushions.
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