
Amazon offers the Star Trek Original Series Women's Costume for $18.89. Some sizes and other colors are a few bucks more. Shipping is free for Prime members. Buy Now at Amazon

Walmart offers the U.S. Polo Assn. Women's Base Layer Long Underwear Thermal Set in three colors for $4.90. That's $10 under similar sets elsewhere; it's available in sizes from S to 3X. Choose pickup or spend $35 to avoid the $6.99 shipping charge. Buy Now at Walmart

Muslin cotton breathes better than typical PJ fabric, so this suits anyone who overheats at night or wants a lightweight set for warmer months, and it's currently $11.30 off the list price. Buy Now at Amazon
- 100% breathable cotton double gauze fabric
- Moisture-wicking design for year-round comfort
- Classic button-up top with notched collar
- Adjustable elastic waistband with drawstring
- Functional side pockets for essentials

Update: The price has changed to $9.99 since this was originally published.
Loose, button-front, and made for warm sleepers who want something breathable to throw on at night, this one's currently 50% off the $20 list price at $10. Buy Now at Amazon
- Ultra-soft, breathable polyester and spandex blend
- Practical chest pocket for small essentials
- Versatile design for sleepwear or casual loungewear
- Flattering, relaxed boyfriend-style fit
- Wide size range from S to XXXL

Made from soft, breathable fabric that suits warmer sleepers or anyone who prefers a cropped pajama length over full pants, and currently $3.80 off the list price on Amazon. Buy Now at Amazon
- 100% polyester soft breathable fabric
- Two-piece set with V-neck top and capri pants
- Durable elastic waistband for comfortable fit
- Cute cartoon cat and heart pattern
- Machine washable for easy care

These wide-leg lounge pants suit anyone who wants a comfortable, dressed-up alternative to sweatpants for working from home or running errands, and they're currently $2.55 off the list price. Buy Now at Amazon
- Soft cotton and polyester blend fabric
- Flattering high-waisted wide leg design
- Adjustable drawstring and elastic waistband
- Versatile for lounge, sleep, and casual wear
- Available in sizes S to 2XL

Comfortable, breathable pants for anyone who wants a relaxed fit for lounging around the house or sleeping, and right now they're $2.25 off the usual $15 price. Buy Now at Amazon
- Stretch polyester-spandex fabric for comfortable movement
- Adjustable drawstring waistband ensures customized fit
- Versatile flowy wide-leg design for lounging or outings
- Soft high-waist construction for all-day comfort
- Multi-occasion style suitable for home, sleep, or yoga

These wide-leg sweatpants suit anyone wanting a relaxed fit that doesn't cling, with a high waist that stays put during lounging or errands, and right now they're $5 off the $25 list price. Buy Now at Amazon
- Soft breathable polyester spandex fabric
- Trendy wide leg relaxed fit
- High waisted elastic tummy control
- Adjustable drawstring for customizable fit
- Deep side pockets for secure storage

Comfortable, breathable pants for anyone who wants a relaxed fit for lounging around the house or sleeping, and right now they're $2.25 off the usual $15 price. Buy Now at Amazon
- Soft, stretchy cotton-polyester blend fabric
- Adjustable drawstring elastic waistband for custom fit
- Comfortable flowy wide-leg palazzo design
- Versatile for loungewear, yoga, and casual outings
- Available in sizes S through 2XL

This works well for casual days at home or running errands, offering a matching top and shorts you can throw on without much thought, currently $2 off the usual price. Buy Now at Amazon
- Breathable polyester, rayon, and spandex blend
- Flexible two-piece top and shorts set
- Loose fit design for all body types
- Functional side pockets and adjustable drawstring waist
- Versatile for active use or casual lounging

These wide-leg pants work well for anyone who wants a loose, breathable fit for sleeping or lounging around the house, and at $12.71 they're $4.28 off the $16.99 list price. Buy Now at Amazon
- Soft, stretchy cotton-polyester blend
- Adjustable drawstring waistband for custom fit
- Flowy wide-leg palazzo design
- High-waist silhouette for flattering fit
- Versatile for lounge, yoga, and sleep

These wide-leg palazzo pants suit anyone who wants a loose, breathable option for sleeping or lounging around the house, and right now they're $2.55 off the list price. Buy Now at Amazon
- Soft cotton and polyester stretch material
- Adjustable drawstring waistband
- Flowy wide-leg palazzo design
- Versatile for sleep, yoga, and casual wear
- Exquisite unique floral patterns

Wide-leg comfort with a festive snowflake print makes these an easy pick for lounging around the house during the holidays, and at $12.67 you're paying $3 less than the $15.69 list price. Buy Now at Amazon
- Lightweight breathable fabric for all-season comfort
- Adjustable elastic high waist with drawstring
- Versatile wide-leg palazzo style
- Classic festive holiday snowflake pattern
- Inclusive sizing from S to XXXL

Update: The price has changed to $14.99 since this was originally published.
Sleeps well for anyone who wants a loose, breathable nightshirt without paying for a designer label, and at $14 it's $8 off the $22 list price. Buy Now at Amazon
- Breathable 95% cotton and 5% spandex fabric
- Soft lightweight material for comfort
- Casual boyfriend style for free movement
- Versatile design for sleep or casual wear
- Machine washable for easy care

Update: The price has changed to $14.95 since this was originally published.
These lightweight lounge pants suit anyone wanting a festive but comfortable option for St. Patrick's Day gatherings without spending much, and right now you'll pay $14.44, about $2.55 off the usual $16.99. Buy Now at Amazon
- Soft stretch cotton and polyester blend
- Adjustable drawstring waistband for custom fit
- Flowy wide-leg palazzo design
- Versatile for sleep, yoga, or casual wear
- High-waisted elastic design for added comfort

This lightweight cami and shorts set works well for warm sleepers who want something breathable for summer nights, and at $10 it's $2 off the usual list price. Buy Now at Amazon
- Breathable lightweight fabric for comfortable sleep
- Adjustable straps for a custom fit
- High-waisted shorts with hem slits for mobility
- Versatile design for lounging or daily wear
- Stylish bow-trimmed neckline and feminine detail

Slip into something breezy for warm nights, since the ruffled cami top and wide leg pants keep things loose and comfortable without feeling like sleepwear. It's currently $1.30 off the list price on Amazon. Buy Now at Amazon
- Buttery soft, wrinkle-resistant polyester-spandex fabric
- Relaxed fit with non-restrictive elastic smocked neckline
- Versatile design for sleepwear, loungewear, and travel
- Breathable square-neck tank and comfortable 9/10-length pants
- Machine washable for hassle-free maintenance

This lightweight set works well for warmer months or anyone who prefers a fitted jogger-style pant over loose sleep pants, and it's currently $3 off the $20 list price at Amazon. Buy Now at Amazon
- Soft breathable polyester, spandex, and viscose fabric blend
- Short raglan-sleeve top with classic crew neckline
- Jogger bottoms with pockets and adjustable drawstring
- Versatile design for sleep, lounge, or casual wear
- Durable, machine washable fabric maintains shape and softness

This pleated nightgown suits anyone wanting a lightweight, breathable option for warm-weather sleeping, and at $9.99, it's $19 off the $28.99 list price. Buy Now at Amazon
- Soft and breathable polyester-spandex blend
- Non-restrictive fit for all-day comfort
- Easy-access pullover design
- Modest length for versatile indoor and outdoor use
- Machine washable and shape-retaining fabric

Cotton-blend gingham sets like this one work well if you want something breathable to sleep in year-round without the synthetic feel of typical pajama sets, and it's currently $2.53 off the list price. Buy Now at Amazon
- 100% cotton for softness and breathability
- Trendy V-neck bubble sleeve top
- High-waist pants with adjustable drawstring
- Includes functional side pockets
- Versatile design for sleepwear or casual wear