How To Make Mens Underwear

224. Learn how to draft, cut, and construct mens underwear patterns—from complete beginner level through to advanced professional techniques. This guide covers everything from fabrics and styles to specialist sewing methods, and also gives you the opportunity to learn directly through our pattern cutting tuition, either in-studio or online.

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Understanding Mens Underwear Construction

Mens underwear falls into two main categories depending on fabric type:

  • Stretch fabrics (most modern underwear)
  • Woven fabrics (traditional boxers)

Each type requires completely different:

  • Pattern cutting methods
  • Sewing techniques
  • Machinery and attachments
  • Threads and finishes

This guide focuses primarily on stretch underwear, as it is the most widely used in modern garment production.

Mens Underwear Styles

Mens stretch underwear includes a wide variety of styles:

  • Briefs (low rise, high rise)
  • Boxer briefs
  • Boxers
  • Trunks
  • Y-fronts
  • Jockstraps
  • Long johns
  • G-strings
  • Vests and singlets

Each style has its own construction methods, shaping techniques, and fit considerations.

Pattern Cutting Essentials

Underwear is a contour garment, meaning:

  • Fit and comfort are critical
  • Seams and panels must be precisely positioned
  • The pouch must be shaped accurately

Typical construction details:

  • Seam allowance: ¼ inch (0.7 cm)
  • Hems: around 2 cm wide

Creating a Pattern Block

Many beginners try to draft patterns using formulas—but this is rarely effective.

A better approach:

  • Use an existing garment or reference piece
  • Copy the pattern directly
  • Learn through observation and replication

Advantages:

  • You see the real shape immediately
  • No guesswork on sizing
  • Faster learning of professional techniques

Tip:
Working from a striped or checked garment makes pattern copying much easier due to the built-in grid.

Key Construction Techniques

Flatlock Seams

  • Joins fabric edge-to-edge
  • Creates flat seams for comfort
  • Allows stretch without breaking

Coverstitch Hems

  • Professional finish for stretch garments
  • Twin-needle appearance on the outside
  • Stretchable and durable

Waistbands

Three main types:

  • Encased elastic (common in boxers)
  • Semi-encased elastic
  • Sewn-on branded elastic

The Fly

Adds both function and shaping. Common types:

  • Vertical fly
  • Horizontal fly
  • Y-front

Learn Mens Underwear Pattern Cutting (Tuition)

If you want to go beyond theory and learn professionally, we offer mens underwear pattern cutting tuition tailored to your level.

Who It’s For

  • Complete beginners
  • Fashion students
  • Designers and makers
  • Professional pattern cutters looking to refine skills

How the Classes Work

  • Each session is 4 hours long
  • Hands-on, practical learning
  • You will be actively drafting and developing patterns
  • Tutor support is available throughout

Class Types

  • One-to-one tuition (full tutor attention)
  • Small group classes (maximum 4 students)

Even in group sessions, support is always available when needed.

Class Times

Flexible scheduling depending on demand:

  • Weekdays: 10:00 – 14:00
  • Saturdays: 12:00 – 16:00
  • Sundays: occasionally available

We aim to work around your availability wherever possible.

Pricing

  • £160 for 4 hours (one-to-one tuition)

Group pricing may vary depending on availability.

Learn Online or In-Studio

You can choose to learn:

  • From our London studio, or
  • Online from home, with guided instruction

Enquire or Book

To book a class or ask any questions:

EMAIL     [email protected]

 

Start Learning Today

Whether you’re looking to create your own underwear line, improve your technical skills, or learn pattern cutting from scratch, this guide and our tuition will give you the foundation and practical knowledge you need.

Take the next step and start mastering mens underwear pattern cutting.

 

EMAIL     [email protected]