Welcome to Sinclair Patterns Tester Portal
Join our community of pattern testers and help us create amazing sewing patterns!
Pattern Tests
Cooper classic quarter zip pullover for men
Category: Men
Applications open: Feb 27, 2026
Test starts: Mar 11, 2026 (Wednesday)
Fit pics due: Mar 14, 2026 (Saturday)
Finals due: Mar 15, 2026 (Sunday)
Relaxed around the shoulders, chest, waist and hips, quarter zip pullover with set in sleeves, designed for knit fabrics. Comes in hip length with a faced hem. Optional side panels with or without inseam pockets. The neckline is finished with a stand collar and a zipper with a zipper end and optional zipper guard. Sleeves are finished with cuffs. Notions : 30 cm / 12 in or longer metal or nylon zipper
Sizes: We are testing this pattern in sizes US0-US30, Petite/Reg and Tall
Pattern testing guidelines:
There are no strict guidance or rules in the process of Sinclair pattern testing except for meeting deadlines and providing your feedback. Consider this experience as just having a regular sewing project with giving your feedback in the end.
Feedback submission:
- Complete an online survey
- Provide your personal feedback regarding your experience
- Help to promote (optional)
DEADLINES (all times in PACIFIC STANDARD TIME - LA):
- Start: 11th of March (Wednesday) 8PM PST
- Fit pics due: 14th of March (Saturday) 8PM PST
- Finals due: 15th of March (Sunday) 11:59PM PST - Completion of at least one full garment using the pattern, feedback submission, providing final pictures
Next steps:
You will receive an email with further steps if you are chosen. You will not receive an email if your application is not chosen. Emails might end up in junk mail, we encourage you to come and check the portal if you haven't received an email.