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Theory

Founded in 1997 and based in New York, Theory makes sophisticated and comfortable modern clothing – “clean silhouettes, quality, craftsmanship and fit” are the focus. Make this your go-to brand for tailoring and separates that are cool but never obvious. 

Theory is included in our NET SUSTAIN edit for best practice in Animal Welfare. Find out more about NET SUSTAIN here.

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Theory
Double-breasted grain de poudre wool-blend blazer
£400
60% off
£160
REDUCED FURTHER
Theory
Crepe mini dress
£323.08
70% off
£97
REDUCED FURTHER
Theory
Demitria crepe flared pants
£262.50
30% off
£184
LOW STOCK
Theory
Cashair cashmere hoodie
£333.33
40% off
£200
SOLD OUT
Theory
Twill wide-leg pants
£232
Theory
One-sleeve paneled ribbed-knit top
£232
Theory
One-sleeve paneled ribbed-knit top
£250
Theory
Malinka belted cable-knit cashmere cardigan
£354
Theory
Space-dyed ribbed-knit cardigan
£282
Theory
Cashmere hoodie
£282
Theory
Ribbed-knit space-dyed sweater
£232
Theory
Cashmere sweater
£196
Theory
Cropped space-dyed ribbed-knit flared pants
£232
Theory Leenda space-dyed ribbed-knit top
Theory Leenda space-dyed ribbed-knit top
Theory
Leenda space-dyed ribbed-knit top
£196
Theory Stretch-scuba leggings
Theory Stretch-scuba leggings
Theory
Stretch-scuba leggings
£179
Theory Belted wrap-effect checked silk-twill midi dress
Theory Belted wrap-effect checked silk-twill midi dress
Theory
Belted wrap-effect checked silk-twill midi dress
£313
Theory Stretch-jersey skinny pants
Theory Stretch-jersey skinny pants
Theory
Stretch-jersey skinny pants
£196
Theory Belted silk-crepe mini dress
Theory Belted silk-crepe mini dress
Theory
Belted silk-crepe mini dress
£282
Theory Malinka belted cable-knit cashmere cardigan
Theory Malinka belted cable-knit cashmere cardigan
Theory
Malinka belted cable-knit cashmere cardigan
£354
Theory Layered silk-crepe top
Theory Layered silk-crepe top
Theory
Layered silk-crepe top
£211
Theory Convertible draped two-tone wool and cashmere-blend coat
Theory Convertible draped two-tone wool and cashmere-blend coat
Theory
Convertible draped two-tone wool and cashmere-blend coat
£464
NET SUSTAIN
Theory Gathered satin-twill shirt dress
Theory Gathered satin-twill shirt dress
Theory
Gathered satin-twill shirt dress
£321
Theory Belted wool shirt
Theory Belted wool shirt
Theory
Belted wool shirt
£342
Theory Stretch-jersey blazer
Theory Stretch-jersey blazer
Theory
Stretch-jersey blazer
£339
Theory Belted faux fur-trimmed wool and cashmere-blend vest
Theory Belted faux fur-trimmed wool and cashmere-blend vest
Theory
Belted faux fur-trimmed wool and cashmere-blend vest
£458
NET SUSTAIN
Theory Cotton-blend shirt
Theory Cotton-blend shirt
Theory
Cotton-blend shirt
£192
Theory Checked pleated twill skirt
Theory Checked pleated twill skirt
Theory
Checked pleated twill skirt
£268
Theory Moving ribbed wool and cashmere-blend sweater
Theory Moving ribbed wool and cashmere-blend sweater
Theory
Moving ribbed wool and cashmere-blend sweater
£342
Theory Silk-blend satin top
Theory Silk-blend satin top
Theory
Silk-blend satin top
£196
Theory Ribbed-knit turtleneck sweater
Theory Ribbed-knit turtleneck sweater
Theory
Ribbed-knit turtleneck sweater
£211
Theory Admiral silk-trimmed crepe wrap dress
Theory Admiral silk-trimmed crepe wrap dress
Theory
Admiral silk-trimmed crepe wrap dress
£271
Theory Silk-blend satin top
Theory Silk-blend satin top
Theory
Silk-blend satin top
£196
Theory Wool-blend jumpsuit
Theory Wool-blend jumpsuit
Theory
Wool-blend jumpsuit
£333
Theory Cropped crepe straight-leg pants
Theory Cropped crepe straight-leg pants
Theory
Cropped crepe straight-leg pants
£232
Theory Cropped crepe straight-leg pants
Theory Cropped crepe straight-leg pants
Theory
Cropped crepe straight-leg pants
£232
Theory Draped silk-blend blouse
Theory Draped silk-blend blouse
Theory
Draped silk-blend blouse
£232
Theory Ribbed wool and cashmere-blend midi dress
Theory Ribbed wool and cashmere-blend midi dress
Theory
Ribbed wool and cashmere-blend midi dress
£354
Theory Wool wide-leg pants
Theory Wool wide-leg pants
Theory
Wool wide-leg pants
£250
Theory Ribbed stretch-jersey turtleneck top
Theory Ribbed stretch-jersey turtleneck top
Theory
Ribbed stretch-jersey turtleneck top
£104
Theory Silk-blend shirt
Theory Silk-blend shirt
Theory
Silk-blend shirt
£217
Theory Crepe blazer
Theory Crepe blazer
Theory
Crepe blazer
£386
Theory Classic stretch-silk shirt
Theory Classic stretch-silk shirt
Theory
Classic stretch-silk shirt
£196
Theory Silk-blend shirt
Theory Silk-blend shirt
Theory
Silk-blend shirt
£225
Theory Cashmere sweater
Theory Cashmere sweater
Theory
Cashmere sweater
£196
Theory Cashmere sweater
Theory Cashmere sweater
Theory
Cashmere sweater
£196
Theory Cashmere sweater
Theory Cashmere sweater
Theory
Cashmere sweater
£208
Theory Ribbed-knit tank
Theory Ribbed-knit tank
Theory
Ribbed-knit tank
£230.77
60% off
£92
REDUCED FURTHER
Theory Treeca 2 cropped stretch-wool slim-leg pants
Theory Treeca 2 cropped stretch-wool slim-leg pants
Theory
Treeca 2 cropped stretch-wool slim-leg pants
£229
NET SUSTAIN
Theory Demitria 4 stretch-wool flared pants
Theory Demitria 4 stretch-wool flared pants
Theory
Demitria 4 stretch-wool flared pants
£242
NET SUSTAIN
Theory Asymmetric ribbed wool-blend turtleneck top
Theory Asymmetric ribbed wool-blend turtleneck top
Theory
Asymmetric ribbed wool-blend turtleneck top
£195.83
40% off
£118
Theory Etiennette wool-blend grain de poudre blazer
Theory Etiennette wool-blend grain de poudre blazer
Theory
Etiennette wool-blend grain de poudre blazer
£367
Theory Wool-blend jumpsuit
Theory Wool-blend jumpsuit
Theory
Wool-blend jumpsuit
£333
Theory Henriet cropped ribbed-knit wide-leg pants
Theory Henriet cropped ribbed-knit wide-leg pants
Theory
Henriet cropped ribbed-knit wide-leg pants
£275
60% off
£110
REDUCED FURTHER
Theory Crepe camisole
Theory Crepe camisole
Theory
Crepe camisole
£195.83
50% off
£98
REDUCED FURTHER
Theory Classic stretch-wool blazer
Theory Classic stretch-wool blazer
Theory
Classic stretch-wool blazer
£392
Theory Silk crepe de chine wide-leg pants
Theory Silk crepe de chine wide-leg pants
Theory
Silk crepe de chine wide-leg pants
£262.50
40% off
£158
REDUCED FURTHER
Theory Treeca cropped wool-twill tapered pants
Theory Treeca cropped wool-twill tapered pants
Theory
Treeca cropped wool-twill tapered pants
£245.83
50% off
£123
REDUCED FURTHER
Theory Stretch-wool skirt
Theory Stretch-wool skirt
Theory
Stretch-wool skirt
£195.83
50% off
£98
Theory Double-breasted stretch-wool vest
Theory Double-breasted stretch-wool vest
Theory
Double-breasted stretch-wool vest
£458.33
60% off
£183
REDUCED FURTHER
Theory Leenda ribbed-knit top
Theory Leenda ribbed-knit top
Theory
Leenda ribbed-knit top
£179.16
50% off
£90
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