Firm or Hard Seat
Best for the Full SetThe firmer the surface underneath, the more stable and effective the seat cushion feels.
Examples: wooden chairs, study chairs, flatter office-chair seats
Aligneer Axiom Lumbar & Seat Cushion Set
Light Grey
$119.99
Sale price
$119.99
Regular price
$149.99
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Aligneer Axiom Lumbar & Seat Cushion Set
$119.99
Sale price
$119.99
Regular price
$149.99
Free tracked delivery
What’s included
1 × Lumbar Cushion + 1 × Seat Cushion
Both cushions include removable, washable covers.
Free Tracked Shipping
No additional shipping fee
30-Day Comfort Returns
Try it at home with confidence
Estimated Delivery
To United States: Around 8 days after dispatch
Same Chair. Better Support.
Add comfortable lower-back support to the chair you already use—without replacing your entire setup.
Slow-Rebound Memory Foam
Medium-soft memory foam gently contours to your body, then gradually returns to its original shape after use.
Designed to Stay in Place
The lumbar strap and non-slip seat base help keep the cushions securely positioned while you sit.
Removable, Washable Covers
The soft fabric covers unzip easily for washing, helping keep your Axiom fresh through everyday use.
Before you replace your chair, change the support first.
Many chairs leave a gap behind your lower back, making long workdays, study sessions and drives feel tiring. Axiom adds contoured support to the chair you already use, helping you sit more comfortably without replacing your entire setup.
Keeps your lower back supported
Fills the space between your lower back and chair for steadier support while you sit.
Makes long sitting feel more comfortable
Responsive cushioning helps extended work, study and driving sessions feel less tiring.
Works with the chair you already use
Designed for most office chairs, study setups and compatible car seats.
Which Axiom Setup Suits Your Chair?
The lumbar cushion is suitable for a wide range of chairs. The seat cushion generally feels most stable and supportive on firm, flat or lightly padded seats.
Firm Padded Seat
Full Set Still SuitableWorks well when the chair's built-in padding is firm and does not compress heavily.
Examples: firm office chairs, padded chairs, dining chairs
Thick or Soft Cushioned Seat
Choose Lumbar OnlyAdding another seat cushion may feel bulky or unstable. For these chairs, Lumbar Cushion Only will usually feel more natural.
Examples: plush office chairs, thick seat cushioning, gaming chairs
Quick guide: Firm, flat or lightly padded seat → choose the Full Set. Thick or soft cushioned seat → choose Lumbar Cushion Only.
The lumbar cushion works well across most chair types.
What Should Axiom Feel Like?
Supportive, cushioned and noticeable — without feeling like you're sinking into the chair.
Firmness & Feel
Lumbar Support
Soft
Firm
Noticeable, supportive feel
Seat Cushion
Soft
Firm
Medium-soft, structured cushioning
This is a general feel guide. Comfort can vary depending on your chair and sitting position.
Noticeable lumbar support
The lumbar cushion should fill the space behind your lower back without feeling like it's forcing you forward. Adjust it slightly higher or lower until it feels natural.
A more structured seat
The seat cushion feels supportive rather than pillow-soft. It works best on firmer, flatter chair seats and may feel less natural on chairs with thick built-in cushioning. (Full Set Only)
You may sit slightly higher
The seat cushion adds height before compressing under your weight. If needed, simply lower your chair slightly to keep your usual desk position. (Full Set Only)
Every chair and sitting position is different. Small adjustments can make a big difference.
Will Axiom Fit Your Chair?
Check the dimensions below and compare them with your chair before ordering.
Lumbar cushion
Seat cushion (Included in full set only)
Due to the nature of memory foam, dimensions may vary slightly. Please measure your chair and compare it with the dimensions above before ordering.
Product Dimensions
Lumbar Cushion
40 × 40 × 5 cm / 15.7 x 15.7 x 1.9 "
Seat Cushion
46 × 32 × 10 cm / 18.1 x 12.6 x 3.9 "
Compatible With
Office chairs with a backrest
Many gaming and study chairs, depending on seat shape and cushioning
Many car seats, depending on seat shape and available space
May Not Suit
Chairs without a backrest, or with thick or very soft built-in seat cushioning
Chair seats narrower than 46cm/18.1" may not accommodate the full seat cushion