find your perfect fit
REM Sleepwear sets are made from ultra-stretchy, breathable modal fabric and designed for a relaxed fit. They run true to size, with a slightly roomier feel. We recommend ordering your usual size, but if you prefer an extra-loose fit, feel free to size up.
Size | US Size | Waist | Chest Snooze in Style and Sweet Dreams Sets |
Chest Luxe Lounge Set |
Chest Soft Slumber Set |
---|---|---|---|---|---|
XS | 0–2 | 24 | 18 3/8 | 18 3/8 | 18 3/8 |
S | 4–6 | 26–27 | 18 7/8 | 20 1/2 | 20 1/2 |
M | 6–8 | 29 | 19 1/2 | 22 | 22 |
L | 10–12 | 32 | 22 | 23 | 23 |
XL | 12–14 | 34 | 24 | 24 | 24 |
Fit Note: All REM sets are made from ultra-stretchy, breathable fabric and designed for a relaxed fit. The exact fit may vary slightly by style. Measurements are in inches.
If you’re between sizes or prefer a looser fit, we recommend sizing up.

Garment Care
REM Sleepwear is made with 90% modal and 10% spandex fabric designed to be washed with cold water on a gentle or delicate setting using mild detergent. We suggest laying your garment flat or tumble on low heat.
DO NOT use chlorine bleach. Wash with similar colors.
FAQs
How do I care for my REMs?
We recommend washing with cold water and a mild detergent. Lay your garments flat to dry to help prevent wrinkling. Wash with similar colors, and avoid using bleach to preserve the quality of the fabric.
What size should I purchase?
We recommend ordering your usual size or sizing up for an extra-loose fit. REM Sleepwear sets are designed to be breathable and non-constricting, so your regular size should offer a relaxed, comfortable feel. For exact measurements, please refer to our sizing guide.
What is REM Sleepwear made from?
REM Sleepwear is crafted from 90% modal and 10% spandex, blending breathable softness with just the right amount of stretch for all-night comfort.
Where else can I find information regarding my size?
Each style in our catalog includes a sizing guide, available within the product photos for each set.