Side Cube Riser

$78.99 USD
  • NEW PATENT-PENDING DESIGN
  • Pre-Order: Estimated Ship Date 03/20
  • Customize Your Pillow Height
Pay using HSA/FSA with flex Select Flex at checkout to check your eligibility paying with your HSA/FSA card for your items

PRE-SALE: Estimated Ship Date 03/20


The Side Cube Riser is a patent-pending modular pillow engineered for side sleepers who need a personalized fit — not a one-size-guess. Built on the same cube shape that fills the 90-degree gap between shoulder and head, it ships fully stacked at 5" — the height that works for most people right out of the box. If you need less, simply remove one or both included risers to step down to 4" or 3". One pillow, your perfect height.

  • Patent-pending modular design: Ships fully stacked at 5" — the right height for most side sleepers. Includes two removable 1" risers so you can step down to 4" or 3" if needed.
  • Purpose-built cube shape: Fills the shoulder gap and cradles the head to support neutral neck and spine alignment, reducing pressure on the neck and shoulders.
  • Premium AeroFoam core: Breathable viscoelastic polyurethane foam that allows consistent support while resisting heat buildup.
  • Soft, breathable cover: Ventilated outer shell pulls heat away from the face and neck; removable and machine washable for easy care.
  • Dimensions & weight: 12" W × 24" D × 5" H (fully stacked); approximately 2.5 lbs.
  • HSA/FSA eligible: Select Flex | Pay with HSA/FSA at checkout and follow the brief eligibility steps during payment.

The Side Cube Riser ships fully stacked at 5" — the height that fits most side sleepers right out of the box. If it feels too tall, simply remove one or both risers to drop down to 4" or 3". Need to go higher? Additional 1" risers are available separately so you're never stuck at the wrong height.

The Side Cube Riser is backed by a 60-night exchange/refund window so you have time to find your perfect height.

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MADE FOR SIDE SLEEPERS, BY SIDE SLEEPERS

Old fashioned pillows are made with cheap foam dumped into a sack. But sleepers need more support, and we will try anything to get it; folding, stacking, nothing works.

Pillow Cube fills the gap between your bed and your head, aligns your spine, and supports your noggin.

What if I sleep on my back and side?

Not a problem. Meet our latest addition to the family, the Combo Cube.

Designed for our noncommittal sleepy heads, the Combo Cube is the ultimate pillow for back & side sleepers.

We took our premium cut AeroFoam and sculpted a head-sized valley to cradle your noggin and keep your neck aligned, no matter how you sleep. Then we leveled it up by adding modular risers, giving you the ability to customize the height of your pillow to match your body, mattress, and sleep style. 

FAQ

What is a pre-order?

A pre-order is an order placed for a product that has not yet been launched. It ensures you secure the product before it becomes available to the general public.

When will you ship my Side Cube Riser?

Estimated shipping time frame for pre-ordered Side Cube Risers: 03/20/2026

What are the dimensions of the pillow?

12" W × 24" D × 5" H (fully stacked); approximately 2.5 lbs.

Where do you ship to?

We currently ship within the United States.

What is the pillow made of?

Our high-quality foam is made of breathable, viscoelastic polyurethane.

Can I cancel my pre-order?

Yes, you may request an exchange or a refund within 60 nights of the shipping date. 

  • Returns and exchanges are only available within the 48 contiguous United States of America.
  • Your refund will be processed, minus any shipping costs that you paid at the time of your purchase.
  • There is a $15 return shipping fee, unless Re:do was purchased at checkout, you will receive free shipping