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Theory
Peplum Jumper - Black
£274 £79 (70% off)
Rue La La
Theory
V-neck Linen-blend Pullover - White
£259 £43 (80% off)
Rue La La
Theory
Solid Linen-blend Jumper - Pink
£252 £93 (60% off)
Rue La La
Theory
Rib Cabled Cardigan - Red
£302 £135 (55% off)
Rue La La
Theory
Leopard Cardigan - White
£274 £61 (75% off)
Rue La La
Theory
Marled Alpaca-blend Jumper - Purple
£266 £70 (70% off)
Rue La La
Theory
Ribbed Duster Cardigan - Multicolour
£298 £179 (40% off)
Bloomingdale's
Theory
Zip-up Jumper - Black
£231 £104 (55% off)
Rue La La
Theory
Rib Cabled Cardigan - Black
£302 £135 (55% off)
Rue La La
Theory
Cable-back Wool-blend Shell - White
£196 £57 (70% off)
Rue La La
Theory
Zip-up Jumper - Blue
£231 £114 (50% off)
Rue La La
Theory
Leopard Cardigan - Brown
£274 £47 (80% off)
Rue La La
Theory
Cardigan - Natural
£139 £51 (60% off)
YOOX
Theory
Clairene Cashmere Cardigan - White
£329 £230 (30% off)
Bloomingdale's
Theory
Button Henley Jumper - White
£306 £263 (10% off)
REVOLVE
Theory
Clairene Cashmere Cardigan - Multicolour
£329 £138 (55% off)
Bloomingdale's
Theory
Combo Knit Wool-blend Tunic - Grey
£196 £79 (60% off)
Rue La La
Theory
V-neck Jumper - Black
£230 £138 (40% off)
Cettire
Theory
Open Front Cardigan - Black
£424 £257 (35% off)
Cettire
Theory
Ribbed Duster Cardigan - Black
£298 £179 (40% off)
Bloomingdale's
Theory
Asymmetric One Sleeve Jumper - Black
£276 £108 (60% off)
Bloomingdale's
Theory
Karenia Cashmere Turtleneck Jumper - Black
£261 £109 (55% off)
Bloomingdale's
Theory
Cashmere Henley Jumper - Grey
£253 £152 (40% off)
Bloomingdale's
Theory
Mock Neck Jumper - Multicolour
£298 £116 (60% off)
Bloomingdale's
Theory
Pleated Rib Jumper - Black
£245 £89 (60% off)
Rue La La
Theory
Ribbed Duster Cardigan - White
£298 £179 (40% off)
Bloomingdale's
Theory
Cashmere Turtleneck Jumper - Brown
£321 £193 (40% off)
Bloomingdale's
Theory
Mouline Rib Pullover - Blue
£325 £228 (30% off)
Shopbop
Theory
Rib Cardigan - Black
£425 £170 (60% off)
Shopbop
Theory
Striped Cardigan - Multicolour
£665 £332 (50% off)
Cettire
Theory
Cashmere Henley Jumper - White
£253 £177 (30% off)
Bloomingdale's
Theory
Mouline Rib Jumper - Blue
£297 £185 (35% off)
REVOLVE
Theory
V-neck Jumper - Grey
£440 £240 (45% off)
Cettire

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Theory is an American brand that is synonymous with casual luxury. Established in 1997, the brand shot to fame for its luxury essentials and became known for modern pieces that exude sophistication. Today the brand continues to produce timeless designs adored by women the world over. Career highlights include being honored by the CDFA for the brand's commitment to the fashion world. Cashmere cardigans, chic jumpers and striped jumpers are the trademarks of Theory knitwear. These chic pieces are a contemporary addition to your work-to-weekend wardrobe for an understated off-duty look. Explore this edit of Theory knitwear and add a timeless piece to your new season wardrobe.