Best Cooling Pajamas for Night Sweats
There's no single "best" fabric — it's a tradeoff. For heavy night sweats, moisture-wicking synthetic microfiber (Cool-jams, Soma Cool Nights) moves sweat off the skin fastest, though it can trap odor. For light sweating, natural bamboo, modal or silk feels softer and resists odor but stays damp longer once saturated. Match the fabric to how much you actually sweat.
The one thing to know: For heavy night sweats, moisture-wicking synthetic microfiber moves sweat off the skin faster than natural fibers, which absorb and stay damp — but wickers can trap odor, while bamboo/modal/silk feel better for light sweating. There isn't one 'best' fabric; it's a genuine tradeoff.
Our picks — wicking and natural fabrics
Research-based picks (how we evaluate) covering both dedicated wicking brands and soft natural-fiber options. Live Amazon search links, no prices or ratings, an honest drawback on each.
Cool-jams Moisture-Wicking Pajama Set
Proprietary moisture-wicking poly-microfiber, jersey knit, flat-lock seams, tag-free
One of the original dedicated night-sweat brands, built around wicking rather than adapted loungewear.
Best for: Heavy, frequent night sweats where fast moisture transport matters most
Watch out: Synthetic wicking can feel slightly clammy vs cotton and can hold odor if not washed promptly.
Check price on AmazonCool-jams Wicking Nightgown
Moisture-wicking poly-microfiber knit, relaxed nightgown cut, breathable weave
Loose silhouette avoids the fitted-pant heat trap while keeping the wicking fabric.
Best for: Hot sleepers who prefer a single loose garment
Watch out: Loose fit means less skin contact for wicking in localized sweat zones; reported to run large.
Check price on AmazonSoma Cool Nights Pajama Set
Cool Nights moisture-wicking poly blend, lightweight jersey, four-way stretch
Mainstream cooling-sleepwear line with broad sizes and many styles, not a niche brand.
Best for: Mild-to-moderate night sweats with mainstream styling
Watch out: The 'cooling' feel at first touch fades over the night; the poly base can trap odor.
Check price on AmazonSoma Cool Nights Notch-Collar Pajama Set
Cool Nights wicking poly-blend jersey, button-front notch-collar top, elastic-waist pant
A more 'dressed' pajama look than a tee-style top, with the same cooling fabric.
Best for: Buyers wanting a classic pajama silhouette over an athletic look
Watch out: Button-front layers fabric at the chest (warmer there); waistband can loosen after washing.
Check price on AmazonDISOLLE Bamboo Viscose Pajama Set
95% bamboo viscose / 5% spandex knit, silky soft, breathable open weave
Natural bamboo viscose gives a soft, silk-like feel synthetics don't replicate.
Best for: Light-to-moderate sweaters who prioritize soft natural fiber
Watch out: Bamboo absorbs rather than wicks, so it can feel damp during heavy sweating; wrinkles easily.
Check price on AmazonDISOLLE Bamboo Short-Sleeve Nightgown
Bamboo viscose blend knit, A-line cut, scoop neck
Lower-priced than the matching set with the same soft bamboo fabric.
Best for: Budget buyers wanting bamboo softness in a simple nightgown
Watch out: Thin single-layer construction clings when damp; bamboo pills/thins faster than poly-microfiber.
Check price on AmazonEkouaer Moisture-Wicking Pajama Set
Poly-spandex wicking jersey, short-sleeve top, capri or full-length pant
Budget entry into wicking sleepwear with a large size range and many colors.
Best for: First-time buyers testing whether wicking fabric helps their night sweats
Watch out: Lighter-duty construction than Cool-jams/Soma; can thin or pill and the blend retains odor.
Check price on AmazonPajamaGram Micro-Modal Pajama Set
Micro-modal (beechwood-derived) fabric, lightweight knit, tagless
Modal is very lightweight with minimal cling and less wrinkling than bamboo.
Best for: Mild sweaters wanting a natural-fiber feel
Watch out: Like bamboo, modal absorbs rather than wicks — not the top pick for heavy sweats; can pill.
Check price on AmazonCool-jams Capri Wicking Pajama Set
Advanced wicking poly-microfiber, capri-length pant, tagless flat seams
Higher-performance option; capri length reduces fabric coverage and heat retention.
Best for: Heavy sweaters in warmer bedrooms wanting less leg coverage
Watch out: Highest price tier; still synthetic, so it can feel 'sticky' once fully saturated.
Check price on AmazonN Natori Mulberry Silk Pajama Set
100% mulberry silk, charmeuse weave, button-front top
Genuine silk is naturally temperature-regulating and ultra-lightweight with a luxury look.
Best for: Mild sweaters wanting a luxury natural fiber
Watch out: Silk absorbs moisture and water-spots from sweat, needs hand-wash/dry-clean, and is a poor pick for heavy night sweats.
Check price on AmazonCool-jams Long-Sleeve Wicking Pajama Set
Wicking poly-microfiber with brushed interior for warmth, long sleeve/pant, flat seams
Extends wicking to cold bedrooms, addressing the sweat-then-chill cycle.
Best for: Hot sleepers in cold bedrooms who overheat then chill as sweat evaporates
Watch out: The brushed warmer interior reduces breathability vs the brand's lightweight styles.
Check price on AmazonFrequently Asked Questions
It depends on how heavy the sweating is. Moisture-wicking poly-microfiber pulls sweat off the skin and spreads it to evaporate faster, which feels less damp during heavy sweating. Natural fibers (bamboo viscose, modal, silk) absorb moisture into the fiber, so they feel softer for light sweating but stay damp longer once saturated. Neither lowers body temperature.
It doesn't cool the skin directly — it moves existing moisture away so it evaporates faster, which creates a cooling sensation as sweat leaves the skin. The benefit is reduced clamminess, not a lowered room or body temperature.
Synthetic poly-microfiber holds onto body odor over multiple wears more than natural fibers, because odor bacteria bind more readily to synthetics. Washing promptly after each use and skipping fabric softener (which coats and reduces wicking) helps.
Yes — bamboo viscose especially wrinkles and can shrink or lose shape on high heat. Modal wrinkles less than pure bamboo but still benefits from a gentle wash and low-heat or air drying.
Silk is lightweight and temperature-regulating for mild sweating, but it absorbs moisture rather than wicking and can water-spot from sweat. It usually needs hand-washing or dry cleaning, making it less practical for frequent heavy night sweats than wicking or bamboo fabrics.