Sign in
Join
Help
GB - £
WOMEN
MEN
Sign in
Join
Theory Formal Jackets
Follow
Follow
Follow
328 products
, 26 stores
Sort by recommended
Sort by newest
Sort by price (high to low)
Sort by price (low to high)
Women's
Clothing
Jackets
Blazers, sport coats and suit jackets
Theory
Black
Blue
Natural
White
Multicolour
Grey
Red
Brown
Pink
Green
Yellow
Purple
Orange
328 products
, 26 stores
Sort by recommended
Sort by newest
Sort by price (high to low)
Sort by price (low to high)
Theory
Staple Blazer B.clas Black - Black
£421
£141
(65% off)
Otrium
Theory
Suit Jacket - White
£192
£134
(30% off)
YOOX
Theory
Satin-trimmed Crepe Blazer - White
£425
NET-A-PORTER
Theory
Classic Double-breasted Blazer - Natural
£446.87
£297
(30% off)
Cettire
Theory
Piazza Double-breasted Buttoned Jacket - Natural
£376.58
£237
(35% off)
Italist
Theory
Suit Jacket - Blue
£192
£134
(30% off)
YOOX
Theory
Suit Jacket - White
£297
YOOX
Theory
Suit Jacket - Grey
£237
£177
(25% off)
YOOX
Theory
Piazza Wool-blend Jacket - Black
£477
£240
(50% off)
Gilt
Theory
Suit Jacket - Blue
£213
YOOX
Theory
Etiennette Wool-blend Grain De Poudre Blazer - Black
£440
NET-A-PORTER
Theory
Cinched Blazer.moles Crimson - Red
£624
£156
(75% off)
Otrium
Theory
Suit Jacket - Yellow
£344
£120
(65% off)
YOOX
Theory
Suit Jacket - Pink
£192
£134
(30% off)
YOOX
Theory
Suit Jacket - Brown
£192
£134
(30% off)
YOOX
Theory
Gingham Check Blazer - Black
£381
£115
(70% off)
Gilt
Theory
Classic Blazer.trave Core Navy - Blue
£497
£150
(70% off)
Otrium
Theory
Classic Blazer.trave Black - Black
£497
£152
(65% off)
Otrium
Theory
Double-breasted Tuxedo Blazer - White
£657.16
£345
(45% off)
Cettire
Theory
Etiennette Grain De Poudre Wool-blend Blazer - Green
£320
NET-A-PORTER
Theory
Single-breasted Jacket - Blue
£454.96
£308
(30% off)
Cettire
Theory
Suit Jacket - Purple
£222
£202
(5% off)
YOOX
Theory
Suit Jacket - Pink
£352
£116
(65% off)
YOOX
Theory
Shawl Blazer.utility Blossom - Pink
£489
£132
(70% off)
Otrium
Theory
Suit Jacket - Multicolour
£192
£134
(30% off)
YOOX
Theory
Suit Jacket - Natural
£255
£221
(10% off)
YOOX
Theory
Suit Jacket - Black
£270
£202
(25% off)
YOOX
Theory
Classic Blazer.trace Hunter Green Melange - Green
£441
£112
(75% off)
Otrium
Theory
Classic Blazer.trave Beige Canvas - Natural
£497
£110
(75% off)
Otrium
Theory
Carissa Blazer - Black
£352.35
Shopbop
Theory
Suit Jacket - Multicolour
£282
YOOX
Theory
Shrunken Double-breasted Blazer - Multicolour
£404.54
£162
(60% off)
Saks OFF 5TH
Theory
Suit Jacket - Grey
£345
£258
(25% off)
YOOX
Theory
Suit Jacket - Grey
£266
£239
(10% off)
YOOX
Theory
Classic Blazer.trave Light Cranberry - Red
£498
£150
(70% off)
Otrium
Theory
Belted Blazer.canton Black - Black
£489
£141
(70% off)
Otrium
Theory
Suit Jacket - Natural
£345
£303
(10% off)
YOOX
Theory
Crepe Open-front Blazer - Blue
£527
Eraldo
Theory
Fitted Blazer.denim Chambray - Blue
£403
£142
(65% off)
Otrium
Theory
Suit Jacket - White
£285
£216
(20% off)
YOOX
Theory
Crepe Open-front Blazer - Black
£527
Eraldo
Theory
Tailor Jacket - White
£523.74
£251
(50% off)
Italist
Theory
Admiral Crepe Blazer - Natural
£391.30
Italist
Theory
Shawl Blazer.utility Canvas - Natural
£484
£170
(65% off)
Otrium
Theory
Crepe Blazer - Black
£450
NET-A-PORTER
Theory
Twill Blazer - Grey
£350
NET-A-PORTER
Theory
Double-breasted Grain De Poudre Wool-blend Blazer - Yellow
£410
NET-A-PORTER
Theory
Double-breasted Boy Blazer - Natural
£430.69
£348
(15% off)
Cettire
Theory
Wool-blend Tailored Jacket - Blue
£290
Printemps.com
Theory
Suit Jacket - Brown
£270
£202
(25% off)
YOOX
Theory
Classic Blazer.trace Crimson Melange - Red
£442
£111
(75% off)
Otrium
Theory
No-lapel Single-breasted Blazer - White
£466
Eraldo
Theory
Suit Jacket - Black
£330
£297
(10% off)
YOOX
Theory
Suit Jacket - Blue
£216
£194
(10% off)
YOOX
Theory
Suit Jacket - Black
£297
£222
(25% off)
YOOX
Theory
Tailor Double-breasted Blazer - Yellow
£457.66
£197
(55% off)
Saks OFF 5TH
Theory
Suit Jacket - Grey
£297
£222
(25% off)
YOOX
Theory
Suit Jacket - Red
£192
£134
(30% off)
YOOX
Theory
Staple Blazer Jacket - Black
£404.54
£170
(55% off)
Saks OFF 5TH
Theory
Suit Jacket - Black
£202
YOOX
Theory
Suit Jacket - Red
£270
£202
(25% off)
YOOX
Theory
Linen-blend Double-breasted Blazer - Grey
£370.47
£102
(70% off)
Saks OFF 5TH
Theory
Double-breasted Boy Jacket In Good Wool - Natural
£410
Harvey Nichols
Theory
Suit Jacket - Brown
£192
£134
(30% off)
YOOX
Theory
Piazza Double-breasted Linen-blend Jacket - Multicolour
£423.44
£163
(60% off)
Saks OFF 5TH
Theory
Suit Jacket - Orange
£297
YOOX
Theory
Double-breasted Angled Yukon Blazer - Black
£508.99
£204
(60% off)
Saks OFF 5TH
Theory
Tailored Pocket Blazer - Black
£520.67
£410
(20% off)
Cettire
Theory
Ribbed-waist Blazer In Crepe - White
£395
Harvey Nichols
Theory
Patch-pocket Blazer In Stretch Cotton Twill - Multicolour
£335
Harvey Nichols
Theory
Staple Blazer In Crepe - Black
£440
Harvey Nichols
Theory
Patch-pocket Blazer In Stretch Cotton Twill - Natural
£335
Harvey Nichols
Theory
Ribbed-waist Blazer In Crepe - Black
£395
Harvey Nichols
Theory
Blazer In Wool - Natural
£324.88
Italist
Theory
Blazer In Synthetic Fibres - Natural
£324.88
Italist
Theory
Blazer In Acetate - Blue
£370.69
Italist
Theory
Cinched Blazer B.dot Black/white - Black
£525
£160
(70% off)
Otrium
Theory
Wool-blend Tailored Jacket - Black
£290
Printemps.com
Theory
Single-breasted Blazer Jacket - White
£301.28
£246
(15% off)
Italist
Theory
Single-breasted Straight Hem Blazer - White
£399.35
£247
(35% off)
Cettire
Theory
Clairene N.weston Do Grey Multi - Grey
£483
£170
(65% off)
Otrium
Theory
Double-breasted Wool Blazer - Purple
£580.70
£203
(65% off)
Atterley
Theory
Textured Cotton-blend Jacket - White
£385
Printemps.com
Theory
Oversized Plaid Blazer - Blue
£410.10
£246
(40% off)
Bloomingdale's
Theory
Double Breasted Wool Blend Blazer - Black
£460
LUISA VIA ROMA
Theory
Piazza Walden Tweed Jacket - Natural
£506.74
£204
(60% off)
Saks OFF 5TH
Theory
Clean Crepe Tuxedo Blazer - White
£425
LUISA VIA ROMA
Theory
Notch Lapel Blazer - White
£352.11
Bloomingdale's
Theory
Single-breasted Crepe Blazer - Black
£450
Selfridges
Theory
Carissa Wool - Blend Blazer - Pink
£360.40
Bloomingdale's
Theory
Precision Ponte Blazer - Black
£269.26
Bloomingdale's
Theory
Boy Double-breasted Stretch Linen-blend Blazer - Multicolour
£410
Selfridges
Theory
Lanai Classic Suit Jacket - Black
£352.11
Bloomingdale's
Theory
Lanai Classic Suit Jacket - Blue
£327.26
Bloomingdale's
Theory
'etiennette' Single Breasted Wool Blazer Women Clothing Blazers 'etiennette' Single Breasted Wool Blazer - Brown
£320
Lane Crawford
Theory
Boy Notch-lapel Double-breasted Stretch-wool Jacket - Multicolour
£410
Selfridges
Showing 96 of 328
Show more
Home
Women's Clothing
Women's Jackets
Blazers, sport coats and suit jackets
Theory
Women's Theory
Theory Clothing
Theory Jackets
Theory Blazers, sport coats and suit jackets
![Theory Piazza Wool-blend Jacket - Black](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 250"3E%3C/svg%3E)