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Learn to Sew Tapered Trousers

Create professional-looking trousers in this comprehensive online sewing class featuring the Erin pattern. Perfect for advancing sewists, you'll master techniques for constructing fitted pants with sophisticated details like dart shaping and slash pockets. Learn to install zipper flies, create clean finishes, and achieve the perfect fit. This class guides you through working with various bottom-weight fabrics to create versatile, well-fitted trousers.

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Getting Started

Welcome to the Erin sewalong! In this first lesson, Erica will introduce you to our sewalongs and give you some helpful tips. And in the next lesson, she’ll show you how to pick a size and prep your pattern and fabric.

If you’re feeling confident about getting started, you can go ahead and skip to lesson 3 and you’ll learn some helpful fitting techniques for the pattern.

Here’s what we’ll cover in this sewalong:

Here is everything you need to know about the Erin trouseres before you start sewing! Erin is your go-to pattern for a pair of chic and versatile trousers. These pants feature a sleek, tapered fit, slash pockets, and a zipper fly with a hook and bar closure at the waist. Tailored to perfection, Erin includes single darts at the front waist and double darts at the back waist for subtle shaping.

Sew these pants in your favorite wovens, like twill, chino, linen, denim, and suiting. Then pair Erin with heels and a cardigan for a dressed-up look or sneakers and a tucked-in tee for a casual vibe.

Fabric recommendations: For the main fabric, look for medium-weight woven fabrics such as cotton twill, chino, linen, linen blends, denim, and suitings.

Look for lightweight woven linings such as cotton lawn, cotton shirting, cotton poplin, acetate, rayon, or silk for the pocket linings.

Seamwork members, take advantage of your member deals this month! You can save up to 20% off your order here.

Learn to Sew Tapered Trousers

Here’s what you’ll need for this project:


  • Erin pattern

  • All-purpose polyester sewing thread

  • Sewing machine needle

  • Point turner

  • Coil zipper

  • Fusible interfacing

  • Hook and bar

Work alongside other sewists by participating in the Seamwork community. Ask and answer questions, share your progress, get inspired by real-life sewists, and post your finished projects.

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