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Theory Women's Trousers

Turn to our collection of women's Theory trousers for what may become your most comfortable pair of bottoms. The American brand was established in 1997 and set out to create clothes that prioritised fit above all else, leading it to invent an innovative stretch fabric that flexes with your body as you move. 

In our selection, you'll find Theory wool trousers that create an instantly smart aesthetic. We have tailored designs with plenty of discreet functional details, such as concealed fastenings and buttoned jet pockets. Darts and pressed creases make for a flattering shape. Take your pick from a wide variety of shades from classic go-with-everything hues (think deep navy and charcoal grey) as well as statement-makers like light blue or rust.

Theory black trousers are your versatile everyday heroes. Discover options crafted from cotton-rich materials that are soft and ultra-breathable, as well as rebellious leather styles for a dose of attitude. Regular fits are relaxed and easy to wear, while high-rise waists keep things sleek and streamlined. On warmer days, opt for shorter ankle-grazer lengths that feel breezy and lightweight, especially when teamed with floaty blouses and silk shirts. Experiment with your casual outfits by choosing garments with unexpected additions - leg slits or contrast tonal stitching, for example.

16 results

  1. THEORY

    Wide Cropped-Leg Twill Trousers

    1. Price:£245.00
    New season
    THEORY: Wide Cropped-Leg Twill TrousersTHEORY: Wide Cropped-Leg Twill Trousers
  2. THEORY

    Treeca Pull-On Linen-Blend Trousers

    1. Price:£225.00
    2 ColoursNew season
    THEORY: Treeca Pull-On Linen-Blend TrousersTHEORY: Treeca Pull-On Linen-Blend Trousers
  3. THEORY

    Pleated Wide-Leg Woven Trousers

    1. Price:£380.00
    New season
    THEORY: Pleated Wide-Leg Woven TrousersTHEORY: Pleated Wide-Leg Woven Trousers
  4. THEORY

    Fluid Pleat Woven Shorts

    1. Price:£210.00
    New season
    THEORY: Fluid Pleat Woven ShortsTHEORY: Fluid Pleat Woven Shorts
  5. THEORY

    Treeca Pull-On Linen-Blend Trousers

    1. Price:£225.00
    New season
    THEORY: Treeca Pull-On Linen-Blend TrousersTHEORY: Treeca Pull-On Linen-Blend Trousers
  6. THEORY

    Wide-Leg Parachute Cotton Trousers

    1. Price:£310.00
    2 ColoursNew season
    THEORY: Wide-Leg Parachute Cotton TrousersTHEORY: Wide-Leg Parachute Cotton Trousers
  7. THEORY

    Relaxed Wide-Leg Satin Trousers

    1. Price:£310.00
    New season
    THEORY: Relaxed Wide-Leg Satin TrousersTHEORY: Relaxed Wide-Leg Satin Trousers
  8. THEORY

    Treeca Pull- On Linen-Blend Trousers

    1. Price:£225.00
    New season
    THEORY: Treeca Pull- On Linen-Blend TrousersTHEORY: Treeca Pull- On Linen-Blend Trousers
  9. THEORY

    Fluid Flare Wide-Leg Wool Trousers

    1. Price:£265.00
    New season
    THEORY: Fluid Flare Wide-Leg Wool TrousersTHEORY: Fluid Flare Wide-Leg Wool Trousers
  10. THEORY

    Fluid Pleated Woven Shorts

    1. Price:£210.00
    New season
    THEORY: Fluid Pleated Woven ShortsTHEORY: Fluid Pleated Woven Shorts
  11. THEORY

    Wide-Leg Parachute Cotton Trousers

    1. Price:£310.00
    2 ColoursNew season
    THEORY: Wide-Leg Parachute Cotton TrousersTHEORY: Wide-Leg Parachute Cotton Trousers
  12. THEORY

    Treeca Pull-On Linen-Blend Trousers

    1. Price:£225.00
    2 ColoursNew season
    THEORY: Treeca Pull-On Linen-Blend TrousersTHEORY: Treeca Pull-On Linen-Blend Trousers
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