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Underwear

Shop men's designer underwear at Northern Threads. Stocking briefs, trunks, and boxers from Calvin Klein, BOSS, Tommy Hilfiger, Emporio Armani EA7, and more — in premium cotton and modal fabrics. Browse socks to complete the essentials, or shop by brand: Calvin Klein or BOSS.

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-30%RALPH LAUREN 3 - PACK CLASSIC TRUNKS BLACK WHITE - northern threads
Ralph Lauren
RALPH LAUREN 3-PACK CLASSIC TRUNKS BLACK WHITE Sale price£31.50 Regular price£45.00
-30%RALPH LAUREN 3 - PACK CLASSIC TRUNKS CRUISE NAVY - northern threads
Ralph Lauren
RALPH LAUREN 3-PACK CLASSIC TRUNKS CRUISE NAVY Sale price£31.50 Regular price£45.00
-43%CALVIN KLEIN 3 - PACK TRUNKS BLACK WHITE - northern threads
Calvin Klein
CALVIN KLEIN 3-PACK TRUNKS BLACK WHITE Sale price£25.00 Regular price£44.00
-43%CALVIN KLEIN 3 - PACK TRUNKS BLACK B - R IRIS - northern threads
Calvin Klein
CALVIN KLEIN 3-PACK TRUNKS BLACK B-R IRIS Sale price£25.00 Regular price£44.00
-43%CALVIN KLEIN 3 - PACK TRUNKS BLACK B - ROCK RIDGE - northern threads
Calvin Klein
CALVIN KLEIN 3-PACK TRUNKS BLACK B-ROCK RIDGE Sale price£25.00 Regular price£44.00
-30%RALPH LAUREN 3 - PACK CLASSIC TRUNKS BLACK WHITE GREY - northern threads
Ralph Lauren
RALPH LAUREN 3-PACK CLASSIC TRUNKS BLACK WHITE GREY Sale price£31.50 Regular price£45.00
-29%HUGO 3 Pack Cotton Stretch Trunks Black Red - northern threads
BOSS
HUGO 3 Pack Cotton Stretch Trunks Black Red Sale price£30.00 Regular price£42.00
-67%CALVIN KLEIN WOMENS MODERN COTTON BIKINI BRIEFS GREY HEATHER - northern threads
Calvin Klein
CALVIN KLEIN WOMENS MODERN COTTON BIKINI BRIEFS GREY HEATHER Sale price£7.50 Regular price£23.00
-63%CALVIN KLEIN WOMENS CAROUSEL BIKINI BRIEFS WHITE - northern threads
Calvin Klein
CALVIN KLEIN WOMENS CAROUSEL BIKINI BRIEFS WHITE Sale price£7.50 Regular price£20.00
-63%LACOSTE WOMENS 3 PACK STRETCH COTTON BRIEFS BLACK WHITE GREY - northern threads
Lacoste
LACOSTE WOMENS 3 PACK STRETCH COTTON BRIEFS BLACK WHITE GREY Sale price£15.00 Regular price£40.00
-63%LACOSTE WOMENS ESSENTIAL STRETCH COTTON BRIEFS BLACK - northern threads
Lacoste
LACOSTE WOMENS ESSENTIAL STRETCH COTTON BRIEFS BLACK Sale price£7.50 Regular price£20.00
-63%LACOSTE WOMENS ESSENTIAL STRETCH COTTON BRIEFS GREY - northern threads
Lacoste
LACOSTE WOMENS ESSENTIAL STRETCH COTTON BRIEFS GREY Sale price£7.50 Regular price£20.00
-67%LACOSTE WOMENS ESSENTIAL STRETCH COTTON TRIANGLE BRALETTE BLACK - northern threads
Lacoste
LACOSTE WOMENS ESSENTIAL STRETCH COTTON TRIANGLE BRALETTE BLACK Sale price£10.00 Regular price£30.00
-67%LACOSTE WOMENS ESSENTIAL STRETCH COTTON TRIANGLE BRALETTE GREY - northern threads
Lacoste
LACOSTE WOMENS ESSENTIAL STRETCH COTTON TRIANGLE BRALETTE GREY Sale price£10.00 Regular price£30.00
-63%LACOSTE WOMENS HERITAGE STRETCH COTTON BRIEFS BLACK - northern threads
Lacoste
LACOSTE WOMENS HERITAGE STRETCH COTTON BRIEFS BLACK Sale price£7.50 Regular price£20.00
-63%LACOSTE WOMENS HERITAGE STRETCH COTTON BRIEFS GREY CHINE - northern threads
Lacoste
LACOSTE WOMENS HERITAGE STRETCH COTTON BRIEFS GREY CHINE Sale price£7.50 Regular price£20.00
-67%LACOSTE WOMENS HERITAGE STRETCH COTTON RACER BACK BRALETTE BLACK - northern threads
Lacoste
LACOSTE WOMENS HERITAGE STRETCH COTTON RACER BACK BRALETTE BLACK Sale price£10.00 Regular price£30.00
-67%LACOSTE WOMENS HERITAGE STRETCH COTTON RACER BACK BRALETTE GREY CHINE - northern threads
Lacoste
LACOSTE WOMENS HERITAGE STRETCH COTTON RACER BACK BRALETTE GREY CHINE Sale price£10.00 Regular price£30.00
-64%HUGO WOMENS 3 PACK BRIEFS BURGUNDY PINK RED - northern threads
BOSS
HUGO WOMENS 3 PACK BRIEFS BURGUNDY PINK RED Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK BRIEFS NAVY WHITE BLUE - northern threads
BOSS
HUGO WOMENS 3 PACK BRIEFS NAVY WHITE BLUE Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK BRIEFS BLACK WHITE - northern threads
BOSS
HUGO WOMENS 3 PACK BRIEFS BLACK WHITE Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK BRIEFS RED PINK ROSE - northern threads
BOSS
HUGO WOMENS 3 PACK BRIEFS RED PINK ROSE Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK THONGS BURGUNDY RED PINK - northern threads
BOSS
HUGO WOMENS 3 PACK THONGS BURGUNDY RED PINK Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK THONGS BLACK - northern threads
BOSS
HUGO WOMENS 3 PACK THONGS BLACK Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK HIPSTER BRIEFS RED PINK ROSE - northern threads
BOSS
HUGO WOMENS 3 PACK HIPSTER BRIEFS RED PINK ROSE Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK HIPSTER BRIEFS NAVY BLACK BLUE - northern threads
BOSS
HUGO WOMENS 3 PACK HIPSTER BRIEFS NAVY BLACK BLUE Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK HIPSTER BRIEFS BURGUNDY RED PINK - northern threads
BOSS
HUGO WOMENS 3 PACK HIPSTER BRIEFS BURGUNDY RED PINK Sale price£15.00 Regular price£42.00
-64%HUGO WOMENS 3 PACK HIPSTER BRIEFS BLACK - northern threads
BOSS
HUGO WOMENS 3 PACK HIPSTER BRIEFS BLACK Sale price£15.00 Regular price£42.00
-80%TOMMY HILFIGER WOMENS TJW SIGNATURE TAPPING LEGGINGS BLACK - northern threads
Tommy Hilfiger
TOMMY HILFIGER WOMENS TJW SIGNATURE TAPPING LEGGINGS BLACK Sale price£14.00 Regular price£70.00
-33%BOSS 3 PACK POWER BOXER BRIEFS BLACK - northern threads
BOSS
BOSS 3 PACK POWER BOXER BRIEFS BLACK Sale price£30.00 Regular price£45.00
-30%RALPH LAUREN 3 PACK CLASSIC TRUNKS WHITE - northern threads
Ralph Lauren
RALPH LAUREN 3 PACK CLASSIC TRUNKS WHITE Sale price£31.50 Regular price£45.00
-30%RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS WHITE BLACK GREY - northern threads
Ralph Lauren
RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS WHITE BLACK GREY Sale price£31.50 Regular price£45.00
-30%RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS WHITE - northern threads
Ralph Lauren
RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS WHITE Sale price£31.50 Regular price£45.00
-30%RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS BLACK - northern threads
Ralph Lauren
RALPH LAUREN 3 PACK BOXER BRIEF TRUNKS BLACK Sale price£31.50 Regular price£45.00

Questions About Underwear

What underwear brands does Northern Threads stock? +

We carry a strong range of premium men's underwear from Calvin Klein, Tommy Hilfiger, and Emporio Armani EA7. These brands are known for quality cotton and modal fabrics, excellent waistband construction, and iconic branding that has made designer underwear a wardrobe staple.

How do I find the right underwear size? +

Designer underwear is sized S/M/L/XL based on waist measurement in inches. Generally: S = 28-30 inches, M = 32-34 inches, L = 36-38 inches, XL = 40-42 inches. Always check the brand's specific size chart as Calvin Klein and Tommy Hilfiger can vary slightly.

What is the difference between cotton and modal underwear? +

Cotton underwear is breathable, durable, and excellent for everyday wear. Modal is softer and more fluid with a silkier feel against the skin, and is popular for its comfort. Calvin Klein's Modern Cotton range blends both for a soft, breathable everyday option.