Theory for Women, Spring

Theory's minimal sweater is ideal for casual days, especially when it's teamed with the matching 'Henriet' pants. It's spun from soft ribbed-knit that loosely drapes over your frame. Wear it with sandals and a clutch while running errands or grabbing lunch with friends. Wear it with: Loewe Clutch, The Row Flip flops, Loren Stewart Necklace. - Mushroom ribbed-knit - Slips on - 65% rayon, 32% nylon, 3% spandex - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory designs versatile, understated pieces that are easy to build so many outfits around. This blouse is cut from fluid silk-blend crepe de chine in a rich burgundy hue and has an oversized ruffle that trails down the front. Wear it with a tonal leather skirt. Wear it with: Victoria, Victoria Beckham Skirt, Gu de Tote, Neous Sandals. - Burgundy silk-blend crepe de chine - Slips on - 95% silk, 5% elastane - Dry clean - Designer color: Currant - Imported. BUY FROM NET-A-PORTER

Theory "Jatinn" dress in Traceable Wool suiting. Round neckline. Short sleeves. Shift silhouette. Mini length. Straight hem. Hidden back zip. Wool/spandex. Imported.. BUY FROM NEIMAN MARCUS

Theory's 'Clairene' jacket offers two equally chic styling options - you can showcase the plush shearling side or turn it over to the smooth leather reverse. It's designed for a relaxed fit and has an exaggerated collar and lapels. The black hue means it'll go with practically anything. - Black shearling - Concealed hook fastening at front - 100% shearling (Sheep) - Specialist clean - Imported. BUY FROM NET-A-PORTER

Theory basic tee in regal wool. Crew neckline. Short sleeves. Semi-fitted. Ribbed hem. Pullover style. Wool. Imported.. BUY FROM NEIMAN MARCUS

Theory "Tiny Tee 2" top in nebulous pure slub knit. Approx. 21.5"L down center back. Crew neckline. Short sleeves. Shrunken fit. Pullover style. Organic cotton. Machine wash. Made in Peru.. BUY FROM NEIMAN MARCUS

EXCLUSIVE AT NET-A-PORTER. Theory's blazer is a classic style that you'll turn to for meetings, dinners and parties alike. It's tailored for a slim fit from grain de poudre wool-blend and has internal shoulder pads that balance the double-breasted shape. Wear yours with the matching pants.. BUY FROM NET-A-PORTER

Theory has a way of making even understated pieces feel so luxurious. This tank is made from soft ribbed-knit in monochromatic yarns that create a subtle chevron pattern. The slim silhouette is flattering solo and comfortable for layering. Style it with the coordinating skirt. Wear it with: Oroton Clutch, Neous Flip flops, Jennifer Fisher Ring. - Black and white ribbed-knit - Slips on - 75% viscose, 25% nylon - Dry clean - Imported. BUY FROM NET-A-PORTER

You'll turn to Theory's understated, impeccably made pieces often because they're easy to style and always look sophisticated. These pants are tailored from cotton-blend twill and have a slim silhouette with tapered, cropped hems. Wear them with a blazer and chunky sandals. - Black cotton-blend twill - Concealed button and zip fastening at front - 93% cotton, 7% elastane; lining: 100% polyester - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory cardigan in regal wool. V neckline; button front. Long sleeves. Semi-fitted. Straight hem. Wool. Imported.. BUY FROM NEIMAN MARCUS

Theory "Johanna" tee. Crew neckline. Short sleeves. Classic fit. Pullover style. Pima cotton. Imported.. BUY FROM NEIMAN MARCUS

Theory "Len" stretch-knit top. Scoop neckline. Thick shoulder straps; sleeveless. Fitted silhouette. Even hem; pullover style. Nylon/spandex. Made in USA of Italian material.. BUY FROM NEIMAN MARCUS

Theory's dress is designed to look like a complete outfit, making styling so easy. Cut for a slim fit, it has a ribbed merino wool-blend turtleneck sweater and twill mini skirt that's woven with plenty of wool. It's threaded with a removable belt that ties the whole look together. Wear yours with leather boots. Wear it with: Khaite Shoulder bag, Khaite Knee boots. - Black merino wool-blend and twill - Concealed zip fastening along side - Fabric1: 72% merino wool, 25% polyamide, 3% spandex; fabric2: 53% polyester, 44% wool, 2% elastane, 1% polyamide; lining: 100% polyester - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory solid jacket in stretch linen-blend. Peak lapels; double-breasted button front. Long sleeves button cuffs. Welt chest pocket. Flap pockets at hips. Tailored silhouette. Hem hits below hips. Linen/viscose/spandex. Imported.. BUY FROM NEIMAN MARCUS

Theory's collections revolve around meticulous tailoring and lustrous fabrics that'll last for years to come. Cut for a slim fit, this classic ivory shirt is made from a slightly stretchy silk-blend and has a curved hem. Undo a couple of the top buttons and wear it with sleek tailoring or jeans. Wear it with: Totême Jeans, Joseph Blazer, Khaite Clutch, Bottega Veneta Flats, Khaite Belt. - Ivory silk-blend - Partially concealed button fastenings through front - 95% silk, 5% elastane - Dry clean - Imported. BUY FROM NET-A-PORTER

We're big fans of New York-based Theory's denim, and the same precision cuts are applied to these leather pants. Designed in a classic five-pocket shape, they sit high on the waist and have skinny legs - the fabric is slightly stretchy, so they won't feel too restrictive. Wear it with: Bottega Veneta Tote, LEGRES Chelsea boots. - Black leather - Button and concealed zip fastening at front - 100% leather (Lamb) - Specialist clean - Imported. BUY FROM NET-A-PORTER

Every well-edited wardrobe should include a few classic white shirts. Theory's latest one is made from crisp cotton-blend that's slightly stretchy and has a slim fit with flattering back seams. Wear yours with this season's neutral pants. Wear it with: Officine Générale Pants, Bottega Veneta Clutch, Tod's Loafers, Octavia Elizabeth Earrings, Laura Lombardi Necklace, Cartier Watches. - White cotton-blend - Partially concealed button fastenings through front - 96% cotton, 4% elastane - Dry clean - Mother-of-pearl: China - Imported. BUY FROM NET-A-PORTER

Curating the perfect capsule wardrobe - or at least a selection of reliable staples - isn't easy, but Theory's turtleneck top is a good place to start. This sleeveless style will look great layered underneath shirts, blazers and tees, or worn solo on warmer days. The ribbed texture and stretchy jersey fabric will keep it in shape, even after lots of washing.. BUY FROM NET-A-PORTER

Theory's 'Classic' blazer is cut from the label's signature 'traceable' stretch-wool that's sustainably sourced from a single family farm in Australia and milled by hand. Tailored for a slim fit, it's designed with neat notched lapels and flattering darting at the front. Wear yours as suiting with the matching 'Treeca 2' pants for important meetings.. BUY FROM NET-A-PORTER

Theory "Eano" dress in Traceable Wool suiting. Crew neckline. Sleeveless. Sheath silhouette. Knee-length. Straight hem. Hidden back zip. Wool/spandex. Imported.. BUY FROM NEIMAN MARCUS

Theory leggings. Mid rise. Fitted through skinny legs. Ankle length. Side split hem. Pull-on style. Nylon/spandex. Imported.. BUY FROM NEIMAN MARCUS

Fabric: Mid-weight marled knit Open placket and long sleeves Optional self-belt Split hem Shell: 100% cashmere Dry clean Imported, China Measurements Measurements from size S Length: 28.25in / 72cm, from shoulder. BUY FROM SHOPBOP

Theory "Len" stretch-knit top. Scoop neckline. Thick shoulder straps; sleeveless. Fitted silhouette. Even hem; pullover style. Nylon/spandex. Made in USA of Italian material.. BUY FROM NEIMAN MARCUS

A luxurious take on the classic T-shirt, Theory's black crew-neck sweater is knitted from pure cashmere that's really soft and lightweight. It has a slim silhouette that's defined by ribbed trims and works just as well tucked into jeans or underpinning a smart blazer.. BUY FROM NET-A-PORTER

Theory "Treeca" solid pants. Approx. measurements: 10.5" rise, 27" inseam, 38" outseam, 12" leg opening. Elasticized waistband. Side slip pockets; welt back pocket. Straight legs. Cropped at ankles. Pull-on style. Triacetate/polyester. Imported.. BUY FROM NEIMAN MARCUS

Theory's skinny pants combine refined tailoring with the comfort of leggings, so they're ideal for long days of appointments or meetings. Cut from stretch-jersey, they have a smoothing high-rise waistband. The 'Green Slate' hue goes especially well with other earthy shades. - Army-green stretch-jersey - Concealed hook and zip fastening at side - 87% polyamide, 13% elastane - Dry clean - Designer color: Green Slate - Imported. BUY FROM NET-A-PORTER

Theory's dress is patterned with mesmerizing checks in a classic black and white colorway. Made from lightweight silk-twill, it has a wrap-effect front with a generous slit that shows off a flash of leg as you walk. Use the belt to cinch your waist. - Black and white silk-twill - Ties at side - 100% silk - Dry clean - Imported. BUY FROM NET-A-PORTER

Fabric: Lightweight, non-stretch technical technical weave Shawl collar and long sleeves Reversible design Double-breasted snap placket On-seam hip pockets Shell: 100% polyester Lined Fill: 90% down/10% feathers Dry clean Imported, China Measurements Measurements from size S Length: 26in / 66cm, from shoulder. BUY FROM SHOPBOP

Fabric: Fine knit V neckline Ribbed edges and long sleeves Shell: 100% cashmere Dry clean Imported, China Measurements Measurements from size S Length: 25.25in / 64cm, from shoulder. BUY FROM SHOPBOP

Clean lines lend a sleek, timeless look to a lightweight Theory pencil skirt. Vented hem. Hidden back zip. Lined. Fabric: Suiting Shell: 97% virgin wool/3% elastane Lining: 82% polyester/18% spandex Dry clean Made in the USA Measurements Measurements from size 4 Length: 22.75in / 58cm. BUY FROM SHOPBOP

Theory tailored trousers in lightweight ponte with fluid drape. Mid rise. Side slip pockets; back welt pocket. Straight legs. Hook/zip fly; belt loops. Viscose/spandex/nylon. Imported.. BUY FROM NEIMAN MARCUS

New York-based Theory channels the city's effortless style through its easy-to-combine separates. This blouse is made from silk that's been blended with a little stretch for comfort and drapes so beautifully. Wear yours with leather pants or tailoring. - Ivory silk-blend - Button-fastening keyhole at back - 95% silk, 5% elastane - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory's blouse has a loose, relaxed shape that drapes elegantly over your frame. It's cut from ethically sourced ivory crepe and has slim ties at the neck that can be knotted into a bow or left to drape, depending on your mood. Wear it with wide-leg tailoring and tonal accessories. - Ivory crepe - Slips on - 70% triacetate, 30% polyester - Imported. BUY FROM NET-A-PORTER

Fabric: Mid-weight quilted knit Ribbed edges Long sleeves Two-way zip closure Shell: 88% wool/10% cashmere/2% other fibers Fill: 100% polyester Dry clean Imported, China Measurements Measurements from size P Length: 21.25in / 54cm, from shoulder. BUY FROM SHOPBOP

Fabric: Jersey Turtleneck Sleeveless Shell: 90% viscose/10% elastane Dry clean Made in the USA Imported fabric Measurements Measurements from size S Length: 21.75in / 55cm, from shoulder. BUY FROM SHOPBOP

Fabric: Stretch wool suiting Back vent Pencil skirt Knee length Hidden zip at back Shell: 96% wool/4% elastane Lined Lining: 82% polyester/18% spandex Dry clean Made in the USA of imported materials Measurements Measurements from size 4 Length: 23.25in / 59cm. BUY FROM SHOPBOP

Theory "Treeca" pants in Traceable Wool suiting. High rise; flat front. Side slash pockets. Rear welt pockets. Fitted through skinny legs. Cropped above ankles. Hook/zip fly; belt loops. Wool/spandex. Imported.. BUY FROM NEIMAN MARCUS

It's the unconventional details that set Theory's designs apart, like this sweater's deep side slits that add a cool touch to the slouchy silhouette. Knitted from mouline yarns, it has a chunky ribbed handle and rolled trims. - Pale-blue and white ribbed-knit - Slips on - 83% viscose, 17% polyester - Designer color: Eggshell Blue - Imported. BUY FROM NET-A-PORTER

Theory's hoodie is spun from soft black cashmere, giving the casual style a really luxurious look and feel. It has a relaxed silhouette enhanced by loose sleeves and has contrasting white seams. - Black cashmere - Slips on - 100% cashmere - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory's Resort '20 collection showcases Francesco Fucci's uncompromizing eye for detail. This coat is cut from camel leather in a slim, precise silhouette that's seamed at the front to emphasize your waist. Unfasten the two-way zip at the hem to create a flared shape.. BUY FROM NET-A-PORTER

Fabric: Lightweight, non-stretch silk crepe Collared V neckline Split hem Shell: 100% silk Dry clean Imported, China Measurements Measurements from size S Length: 24.5in / 62cm, from shoulder. BUY FROM SHOPBOP

Fabric: Stretch jersey Scoop neck Shell: 92% nylon/8% elastane Wash cold or dry clean Made in the USA Imported fabrics Measurements Length: 23.5in / 60cm, from shoulder. BUY FROM SHOPBOP

Theory shell in leopard-print ponte. Crew neckline. Sleeveless. Fitted silhouette. Pullover style. Rayon/nylon/spandex. Imported.. BUY FROM NEIMAN MARCUS

Theory's timeless staples are the kinds of pieces that bring cohesion to the rest of your closet. These straight-leg pants are neatly tailored from crepe with concealed fastenings and cropped cuffs. Wear yours with loafers or sneakers - both look equally considered. - Camel crepe - Concealed button, hook and zip fastening at front - 70% triacetate, 30% polyester - Dry clean - Imported. BUY FROM NET-A-PORTER

Theory's one-sleeve top is made from panels of contrasting ribbed-knit that really accentuate the asymmetric shape. It's designed for a close fit and has a flared split cuff to showcase a stack of bracelets. Tuck yours into high-rise tailoring or a fluid midi skirt. - Taupe ribbed-knit - Slips on - 81% polyester, 18% nylon, 1% spandex - Machine wash - Imported. BUY FROM NET-A-PORTER

Theory's 'Bristol' jacket has a scooped neckline and slim shape, so it looks more like a tailored shirt than typical outerwear. It's made from supple black leather and lined with soft crepe de chine. The waist is nipped in and it subtly flares out at the hem. Wear it with: Theory Pants, Yuzefi Tote, Neous Sandals. - Black leather - Button fastenings through front - 100% leather (Lamb); lining: 94% polyester, 6% polyurethane - Specialist clean - Imported. BUY FROM NET-A-PORTER

Fabric: Lightweight slinky jersey Fine-ribbed trim at V neckline, hood, and cuffs Long sleeves Shell: 89% modal/11% silk Wash cold Imported, China Measurements Measurements from size S Length: 23.25in / 59cm, from shoulder. BUY FROM SHOPBOP

Fabric: Mid-weight, fine-ribbed jersey Exposed back button closure with slit at hem 3/4 sleeves Shell: 69% polyester/29% cotton/2% spandex Wash cold Imported, Peru Measurements Measurements from size S Length: 21.75in / 55cm, from shoulder. BUY FROM SHOPBOP