SL Collection 1

The Underwire

4 Pairs of Breathable Underwear for Working Out

Key Takeaways Breathable workout underwear pairs moisture-wicking fabric and a cotton gusset with stretch, flat edges, and a stay-put fit....

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ThirdLove underwear styles including thong underwear, bikini panties, cheekies underwear, hipster underwear, high waist underwear, mid-rise underwear, and boyshort underwear.

Category_Bum Basics

11 Types of Underwear Styles For Women

Key Takeaways There are 11 main types of underwear for women, and they differ mostly in how much they cover...

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The Underwire

The Best Underwear Cuts for Low-Rise Jeans

Key Takeaways The best underwear for low-rise jeans is a thong, cheeky, hipster, or low-rise bikini with a waistband at...

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Category_Bra 101

Bra Sister Sizes: The Secret Every Woman Should Know

Key Takeaways Bra sister sizes share the same cup volume with a different band size, so a 34C equals a...

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The Underwire

What is the Best Underwear for Working Out?

Key Takeaways The best underwear for working out combines moisture-wicking stretch fabric, a breathable cotton gusset, and a cut that...

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Bras

Meet Jean Sachs, CEO of Living Beyond Breast Cancer

This October marks five years of Thirdlove's partnership with Living Beyond Breast Cancer (LBBC), the national nonprofit that gives people...

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Woman wearing a bra, highlighting different bra styles for various occasions.

The Underwire

What Kind of Bra Should I Wear? The Ultimate Guide by Occasion

Key Takeaways Pick your bra by matching three things: your neckline, your fabric, and how long you'll wear it. Under...

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Category_Ask a Breastie

How To Pack Bras For Travel

Key Takeaways Pack bras last, nest them cup-in-cup, and stuff the cups with socks or underwear so they keep their...

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The Underwire

The Best Underwear for Every Body Type: A Complete Guide

Key Takeaways Underwear styles differ in two ways that matter for fit: rise, or where the waistband sits, and coverage,...

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The Underwire

Is My Bra Too Small? Signs You Bra Doesn't Fit & How To Fix It

Key Takeaways Spillover, a lifting center gore, wire pressure on breast tissue, and deep band marks are the clearest signs...

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Women wearing a supportive bra designed to lift and shape relaxed breasts

The Underwire

The Best Bras for Sagging Breasts

Key Takeaways Breasts sag due to age, pregnancy and breastfeeding, weight changes, genetics, and gravity, and the right bra restores...

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Women wearing a supportive, comfortable bra designed for older women

The Underwire

Best Bras for Older Women

Key Takeaways As your body changes with age, comfort, dependable support, and easy on-and-off wear become the top priorities in...

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Woman wearing a comfortable nursing bra designed for easy breastfeeding access

Category_Ask a Breastie

Real Talk: Your Breasts After Breastfeeding

Key Takeaways Your breasts after breastfeeding typically get smaller, softer, and slightly less firm as milk production winds down and...

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Woman wearing a strapless black supportive bra perfect to wear with a backless dress

The Underwire

What Bra To Wear With Your Backless Dress

Key Takeaways An adhesive backless bra is the most invisible bra for a backless dress, leaving your entire back bare...

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Woman wearing a well-fitting bra, illustrating comfortable support as the body changes with age

The Underwire

How to Choose a Bra as Your Body Changes With Age: Fit, Comfort & Support Explained

Key Takeaways Aging softens breast tissue and shifts volume, posture, and skin sensitivity, so the bras that once fit often...

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woman wearing maroon bra for fall wardrobe

The Underwire

What Bra Should You Wear Under It? The Complete Guide to Bra Styling for Fall 2026

Key Takeaways Match your bra to the outfit and neckline: smoothing T-shirt or wireless styles under fitted tees and chunky...

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The Underwire

The Complete Guide to Nursing Bra Fit: How to Measure, Choose, and Achieve the Perfect Fit

Key Takeaways A well-fitting nursing bra gets most of its support from a level, snug band, with cups that fully...

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The Underwire

How to Choose Nipple Covers If You Have Sensitive Skin

Key Takeaways Most nipple cover irritation comes from additives like latex, acrylic adhesives, and fragrance, not from the silicone itself....

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three different shades of skin colored nipple covers

The Underwire

How to Wear Nipple Covers with a Backless Dress

Key Takeaways Adhesive silicone nipple covers give smooth, strap-free coverage under a backless dress with nothing showing on your back....

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Women wearing strapless bras with halter tops, showcasing supportive options that stay hidden under the neckline.

The Underwire

What Bra Should You Wear With A Halter Top?

Key Takeaways Strapless and backless bras are the simplest solution for most halter tops, keeping shoulders bare while holding support...

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SL Collection 1

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