Shop Calvin Klein Underwear, Boxers, Trunks, Briefs, T-Shirts & Socks

Browse our Calvin Klein collection of underwear, boxers, trunks, briefs, T-shirts, and socks. Enjoy superior comfort and style with premium fabrics designed for a perfect fit. Fast, free delivery on orders over £75, with same-day dispatch on all in-stock items.

Not sure which style to choose?
Read our guide: Calvin Klein Trunks vs Boxer Briefs vs Briefs

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Calvin Klein Cotton Pyjama Set – Short Sleeve Printed Loungewear
£59.99
Blue Print
Light blue Calvin Klein t-shirt and shorts set on a white background
 Grey Mist
Quick buy
Calvin Klein Cotton Stretch Trunks 3 Pack – Heritage Waistband, Contoured Fit
£43.99
Mulch/Deep Lichen Green/Funfruit Fu
Quick buy
Calvin Klein 5 Pack Trunks – Cotton Classics Soft Cotton with Fly
£54.99 £59.99
Black - Multi, 3SB
Quick buy
Calvin Klein Cotton Classics Boxer Briefs 5 Pack – Pure Cotton Comfort with Fly
£64.99
Black - Multi, 3SB
Quick buy
Calvin Klein Intense Power Boxer Briefs 3-Pack – Cotton Stretch, Iconic Waistband
From £39.99 £44.99
Harbor Mist/Black/Chilly Blue
Black - Multi, VVN
Black Mutl, 54L
Quick buy
Calvin Klein Low Rise Trunks 3 Pack – Men's Cotton Stretch CK Underwear
From £29.99 £43.99
Blue / Redwood / White Pepper
Multicolour, M9Y
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Calvin Klein 3 Pack Micro Stretch Trunks - Black, Brushed Microfibre
From £39.99 £44.99
Black, Multi ( 3W7 )
Black
Black, Multi ( VSD )
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Calvin Klein 3 Pack Icon Active Mesh Trunks – Breathable Micro Mesh Jersey
£32.19 £45.99
Black/Fungi/Seafoam Wave
Misty Grey/Carnival Blue/Punch Pink
Black/Black/Black
Three pairs of Calvin Klein black boxer briefs on a white background
Quick buy
Calvin Klein 3 Pack Low Rise Trunks – Cotton Stretch Men’s Underwear
From £33.99 £43.99
Black - Multi, NOU
Black - Multi, 0B8
Black - Multi, 0BI
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Calvin Klein Cotton Stretch Trunks 3 Pack – Men's Designer Underwear
From £34.99 £43.99
Cinnebar/Blueberry/Grey Heather
Black - Multi, 0BI
Quick buy
Calvin Klein 5 Pack Low Rise Trunks – Icon Cotton Stretch Multipack
£51.99 £64.99
Black Black/White/Grey
Quick buy
Calvin Klein 3 Pack Slim Fit Boxers – Icon Cotton Stretch
£43.99 £54.99
Brilliant Pink/Gulf Blue/Grey Heath
Black / Diamond Logo / White
Black / White / Grey Heather
Black
+ 1 more
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Calvin Klein Graphic Monogram Cotton Stretch Boxer Briefs
£37.99
Black / Blue River / Blue Fog
Black
Quick buy
Calvin Klein Trunks Supima Cotton Modal Stretch – CK Black Cotton
£31.99
Moon Mist Tulip Blue
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Calvin Klein 3 Pack Low Rise Microfibre Stretch Trunks – Moisture-Wicking Underwear
£30.79 £43.99
Shoreline/Royalty/Blue Bell
Black
Quick buy
Calvin Klein Intense Power Moisture-Wicking Microfibre 3 Pack Trunks
From £37.99 £44.99
Black/Turbulence/Vermillion Brown
Ombre Blue/Chilly Blue/Punch Pink
Quick buy
Calvin Klein Intense Power Cotton 3 Pack Briefs – Infinity Bond Waistband
From £39.99 £44.99
Harbor Mist/Black/Chilly Blue
Black - Multi, ZDO
Quick buy
Calvin Klein 3 Pack Relaxed Dart Trunks – ICON Cotton Stretch
£35.19 £43.99
Black - Multi, 0AZ
Black - Multi, VQO
Quick buy
Calvin Klein Sports Microfibre Boxer Briefs – Moisture-Wicking
From £39.99 £43.99
Shoreline/Cut Circles Shoreline/Grey
Black
Black - Multi, 3ZP
Quick buy
Calvin Klein Microfibre Stretch Boxer Briefs 3 Pack – Performance Sports Underwear
£36.99 £43.99
Black - Multi, Q84
Black/Olive Leaves/Turbulence
Quick buy
Calvin Klein Cotton Stretch Boxer Briefs 3 Pack – Medium Rise
From £29.99 £43.99
Driftwood/Moonlight Blue/Fanfare
Classic blue/Porpoise/Black
Plume/ Misty Sage/ Black
Rock Ridge/Fudge/Bruschetta
Black - Multi, Q41
Black - Multi, IT7
Black - Multi, QRI
Black - Multi, M9X
Ocean Storm/Lime/Blue
Royalty/Grey Heather/Exotic Coral
+ 7 more
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Calvin Klein Men’s Icon Cotton Stretch 3 Pack Boxer Briefs
From £39.99 £43.99
Black/Heavenly Iris Logo/Black - 40I
Black - Multi, 3ZG
White / Blue Tulip / Turbulence
Misty Grey/Diamond Logo Shoreline/P
Black - Multi, 3VO
Black Multi, 0FL
+ 3 more
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Calvin Klein Intense Power Trunks 3 Pack – Breathable Cotton Stretch
From £39.99 £44.99
Black
Black / Grey / White
Turbulence/ White/ Iris Bliss
Black / Aerial / Turbulence
Black - Multi, ZDM
Black - Multi, ZDO
Black - Multi, 54L
+ 4 more
Quick buy
Calvin Klein Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
From £39.99 £44.99
Green/Grey/Blue
Red Stamp/Black/Turbulence
Black
Black-Multi, 3W7
+ 1 more