The best leg pillows come in two main forms: a contoured knee spacer for side sleepers and a raised wedge for elevating tired legs. Choose by sleep position and purpose, and look for medium-firm foam with a washable cover. Fit matters more than any single feature.
Two jobs, two shapes
People searching for leg pillows are usually trying to do one of two things. Side sleepers want something between the knees to keep hips and spine in line. Others want to rest their legs higher than the heart after a long day on their feet. These need very different designs, so decide first which one you want.
Leg pillow types compared
| Type | Position | Typical shape | Firmness | Portable? |
|---|---|---|---|---|
| Contoured knee pillow | Side | Hourglass or heart | Medium to firm | Yes |
| Leg elevation wedge | Back | Long triangle | Firm | Somewhat |
| Half-moon bolster | Back | Half-cylinder | Medium | Yes |
| Full-length body pillow | Side | Long cylinder | Soft to medium | Bulky |
| Strap-on leg spacer | Side | Foam with strap | Medium | Yes |
How to choose
- Width of your hips: a wide pelvis needs a thicker spacer to keep the upper leg level.
- Leg length: taller people may prefer longer wedges.
- Cover: breathable, with a non-slip bottom if on a bed.
- Strap: prevents the pillow from falling out when you roll.
Examples to browse
If you sleep on your side, consider a memory foam knee pillow. To rest your legs, a leg elevation wedge pillow is the standard tool. If you want one product for everything, a full body pillow lets you hug and prop at once.
Who each shape suits
Side sleepers with hip discomfort often like the knee spacer. People who stand for work, travel or exercise heavily may enjoy a wedge for evening recovery. Pregnant sleepers usually want longer pillows, which the maternity articles cover separately. If you have swelling or circulation concerns, consult a healthcare professional rather than relying on a pillow.
Trial and adjustment
Your first nights may feel odd. Ensure the pillow keeps your top knee roughly level with your hip and doesn’t push your leg up. Try different positions with the pillow slightly higher or lower. Many people place it between the thighs rather than only between the knees.
Care and maintenance
Wash the cover regularly. Foam core should be spot cleaned and aired. Avoid heat, which can warp foam. Replace the pillow when it no longer springs back, which might take a year or two with nightly use.
Common mistakes
- Buying a wedge when you want a spacer, or vice versa.
- Choosing a very soft pillow that squashes flat.
- Skipping a strap or non-slip surface.
- Using too thick a spacer, which twists the pelvis.
FAQ
Where does the pillow go?
Between the knees or thighs for side sleeping; under the calves or ankles for elevation.
How thick should a knee pillow be?
Thick enough to keep your knees at the same height as your hips, which typically means a few inches.
Can I use a regular pillow?
Yes, but it tends to slip and compress, while a contoured one stays put.