THE ASSEMBLY LINE • High Waisted Wide Leg Trousers Sewing Pattern (XL - 3XL)
Printed sewing pattern • Sizes XS–XL • Skill level: Intermediate
The High Waisted Trousers Sewing Pattern by The Assembly Line is a modern wardrobe staple, combining a flattering high-rise fit with a wide leg silhouette that feels both timeless and on-trend. Designed with clean lines and thoughtful tailoring details, this pattern is ideal for creating trousers that work effortlessly across seasons.
These trousers pair beautifully with the Billow Blouse by The Assembly Line for a modern, balanced silhouette... an effortless combination for a contemporary handmade wardrobe.
Fitted through the waist with a straight waistband, the trousers feature front pleats for shape and ease, alongside practical side pockets. Darts and a tab detail at the back create a refined finish, balancing structure with comfort. The wide leg cut offers a contemporary look that pairs beautifully with both fitted and relaxed tops.
They can also be easily shortened into culottes or Bermuda-style shorts, making this a highly versatile pattern for year-round sewing.
Perfect for:
- Modern wide leg trousers with a tailored feel
- Sewists looking to create versatile, wardrobe staples
- Transitional pieces that work across seasons
Skill level • Intermediate
Pattern details:
- Printed sewing pattern with clear, step-by-step instructions
- Sizes: XL–3XL ,and sizes XL–3XL available
- High-waisted fit with straight waistband
- Wide leg silhouette
- Option to shorten into culottes or Bermuda shorts
Suggested fabrics: This pattern works best in mid to heavy weight woven fabrics such as:
- Cotton twill
- Lightweight canvas
- Denim
- Wool and wool blends
More structured fabrics will emphasise the tailored silhouette, while softer options create a more relaxed drape.
Fabric requirements • Please see last image for fabric requirements.
You will also need:
- Matching thread
- Fusible interfacing
- 3 buttons
- 18–20cm zipper
Sewing tips:
- Choose a fabric with enough structure to hold the shape of the wide leg
- Take time to press pleats and seams for a clean, tailored finish
- Consider making a toile to refine fit through the waist and hips
Why we recommend this pattern: The High Waisted Trousers are a brilliant example of modern tailoring made wearable. With their flattering fit and wide leg silhouette, they’re a versatile pattern that you’ll return to again and again.
Browse our full collection of sewing patterns for modern handmade wardrobes.
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