Sew comfortable, fitted boxer briefs with the Brief Underpants Pattern. A back comfort panel and an anatomically shaped front provide a close fit, while exposed elastic finishes the waist. Choose an open fly or a double-layer front, then customise your briefs with two leg lengths and hemmed or banded leg openings.

What you'll make

• Fitted men's boxer briefs with a back comfort panel
• An anatomically shaped front crotch
• View A: Double-layer front crotch without a fly opening
• View B: Open front fly
• Two leg lengths
• Hemmed leg openings or fabric leg bands
• Exposed elastic waistband

Sizes and measurements

The pattern includes men's sizes 2XS–4XL. Refer to the product images for measurement charts and fabric requirements before choosing your size.

What you need

Choose light- to medium-weight single jersey with stretch, such as cotton, bamboo, or Tencel jersey.

• Stretch jersey fabric
• Waistband elastic
• Sewing thread

Skill level 2/4

Build your underwear-sewing skills with illustrated instructions covering the construction. Follow the Brief Underpants video sew-along on YouTube for step-by-step guidance.

Pattern Specifications

• Brand: Wardrobe By Me
• Pattern Name: Brief Underpants
• Product Type: Digital PDF Sewing Pattern
• Garment Type: Men's Fitted Boxer Briefs
• Pattern Format: Instant Digital Download – No Physical Product
• Size Range: Men's 2XS–4XL
• Skill Level: Level 2/4
• Instructions: English, with Fully Illustrated Step-by-Step Instructions
• Measurements: Metric and Imperial
• Seam Allowances: The pattern includes seam allowances
• Layered Sizes: Included
• File Formats Included: Color A4 and US Letter Files (8 pages each), Color A0 Copy Shop File (1 page), and Separate Color Projector File
• Print Features: Trimless A4/Letter Pages, Print-at-Home, Copy Shop, and Projector Compatible
• Video Tutorial: Free Step-by-Step YouTube Sew-Along
• Recommended Fabric: Light- to Medium-Weight Stretch Single Jersey in Cotton, Bamboo, or Tencel
• Fit Options: Two Leg Lengths, Double-Layer Front Crotch or Open Fly, and a Back Comfort Panel
• Edge-Finish Options: Exposed Elastic Waistband with Hemmed Leg Openings or Fabric Leg Bands

Explore more men's underwear and tank top sewing patterns and men's sewing patterns.

For a complete outfit

For a complete outfit, style the Brief Underpants with:

• Tank Top Sewing Pattern
• Unisex Pajama Pants Sewing Pattern

Sew a coordinating tank top and pajama pants to complete a handmade wardrobe.

Print PDF sewing patterns

Instructions with the following elements:

• Pattern overview with pattern names and cutting instructions. (page 3)
• Page overview showing how to tape the pages together (page 3)
• Measurements of the body and garment are provided in both Imperial and metric units. (pages 4-5)
• Style illustration of the garment shown from the front and back. (page 6)
• Materials list with recommended fabrics and trims. (Page 7)
• Illustrated instructions with step-by-step line drawings explained in English.

Pattern pieces  

• Pattern pieces with seam allowances included.
• Layered file with each size on a separate layer.

What you get is the following:

1. Instructions booklet
2. PDF pattern in A4 and Letter
3. PDF pattern in A0
4. Separate projector file

Wardrobe By Me PDF Sewing Patterns — Easy to Download, Print & Sew

Discover the full collection of PDF sewing patterns by Wardrobe By Me, designed with Scandinavian-inspired style, excellent fit, and user-friendly features. Whether you’re a hobbyist or an experienced sewist, our digital sewing patterns make it easy to create a timeless, handmade wardrobe.

Print at Home — A4 and Letter Files

• Print your pattern on A4 or US Letter-sized paper. More details here
• Assemble the pages easily by taping them together following our clear layout guides.
• Tape the pages together with these easy steps.

A0 Copy Shop File

• Skip the taping! Our A0 files let you print full-size patterns. Find a local vetted shop that specializes in printing sewing patterns.

Projector File for Paperless Sewing

• All our PDF patterns include a projector-optimized file.
• Features a large workspace, thick lines, left and right pattern pieces, and separate layers for each size.
• Includes a scaling grid in metric and imperial measurements.
• Offers layers for both light and dark backgrounds, ensuring perfect visibility.

YouTube Sew-Along Videos

Learn by watching! Our YouTube channel features over 50 sew-along videos that guide you through each pattern step by step. Ideal for visual learners who require additional support.

Scandinavian-Inspired Designs for a Handmade Wardrobe

Wardrobe By Me offers a wide selection of sewing patterns for:

• Women's clothing
• Men's clothing
• Wardrobe staples and seasonal favorites

All our patterns are designed with modern, minimalistic aesthetics and a focus on fit, functionality, and timeless style.

Start Sewing Today with Wardrobe By Me PDF Patterns

Get inspired, download your favorite pattern, and enjoy the process of creating your own clothes. With printable, layered PDF sewing patterns, clear instructions, and video support, sewing your handmade wardrobe has never been easier.