SELECTION GUIDE: Apparel - Knits    

The threads below are the most common thread types and sizes used by manufacturers around the world.
  • #1 Selection should be used where there are special requirements, such as a) minimizing thread breakage & seam failures; b) for sewing special fabrics that are susceptible to excessive needle holes; and c) where quality seaming is a must.
  • #2 Selection should be used where sewing requirements are not as difficult and cost is the major consideration.

The recommendations listed below include the most common thread type & size used for a particular sewn product. In many cases, other thread types are sometimes used from button sewing, button holing, blindstitching, and other special requirements like overdyeing, etc.

 
 
Garment Fabric Wt. #1 Thread Selection
Where SEAM QUALITY Is Critical
#2 Thread Selection
Where PRICE POINT Is the Major Consideration
Activewear - Lycra Pants, Shorts, Shirts Lt-Med All Operations: T-24 Perma Core™ 
Alternative Overedge & Coverstitch:  T-24, T-35 Best Stretch™
All Operations: T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-18, T-35 Wildcat Plus™
Activewear - Tops (Women) Lt-Med All Operations: T-24 Perma Core™ 
Alternative Overedge & Coverstitch:  T-18, T-24 Wildcat Plus™
All Operations: T-21, T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-18, T-35 Wildcat Plus™
Dresses or Skirts Lt-Med All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-18, T-35 Wildcat Plus™
All Operations: T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-18, T-35 Wildcat Plus™
Fleece-Sewat Shirt/Pants Med All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-24, T-35 Wildcat Plus™
All Operations: T-40 Spun Poly
Alternative Overedge & Coverstitch:  T-24, T-35 Wildcat Plus™
Intimates - Bras / Foundations Lt-Med Zig Zag Lockstitch: T-24, T-30 Perma Core™
Alternative Overedge & Coverstitch:T-24, T-35 Best Stretch™
Zig Zag Lockstitch: T-27 Spun Poly
Alternative Overedge & Coverstitch: T-18, T-35 Wildcat Plus™
Intimates - Camasoles, Slips, Pajamas Lt-Med All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18 Wildcat Plus™
Intimates - Panties Lt All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18, T-24 Wildcat Plus™
Pants - Stretch (Womens) Lt Zig Zag Lockstitch: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-24, T-35 Best Stretch™
Zig Zag Lockstitch: T-27 Spun Poly
Alternative Overedge & Coverstitch: T-18, T-24 Wildcat Plus™
Shirts-Polo Golf Lt-Med All Operations: T-24 Perma Core™ All Operations: T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-24 Wildcat Plus™
Sleepwear - Night Gown Lt - Med All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21, T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-18, T-24 Wildcat Plus™
Sportswear - Football Pants Hvy Zig Zag Lockstitch: T-40, T-60 Perma Core™
Alternative Overedge & Coverstitch: T-35 Best Stretch™
Zig Zag Lockstitch: T-40, T-60 Spun Poly
Alternative Overedge & Coverstitch: T-18, T-24 Wildcat Plus™
Sportwear - Jersey Med All Operations: T-40 Perma Core™
Alternative Overedge & Coverstitch: T-35 Wildcat Plus™
All Operations: T-40 Spun Poly
Alternative Overedge & Coverstitch:  T-24, T-35 Wildcat Plus™
Sweaters Lt All Operations: Sweater Looping Yarn All Operations: T-27 Spun Poly
Alternative Overedge & Coverstitch:   T-35 Wildcat Plus™
Swimwear - Mens & Boys Lt-Med Top Stitch or Zig Zag: T-24, T-40 Perma Core™
Alternative Overedge & Coverstitch: T-24, T-35 Best Stretch™
Zig Zag Lockstitch: T-40 Spun Poly
Alternative Overedge & Coverstitch: T-24, T-35 Wildcat Plus™
Swimwear - Womens Lt-Med Top Stitch or Zig Zag: T-24, T-40 Perma Core™
Alternative Overedge & Coverstitch: T-24 Best Stretch™
Zig Zag Lockstitch: T-40 Spun Poly
Alternative Overedge & Coverstitch: T-24, T-35 Wildcat Plus™
T-Shirts Lt All Operations: T-21 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18 Wildcat Plus™
Terry Bath Robes Lt All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18 Wildcat Plus™
Underwear - "A" Undershirt Lt All Operations: T-21 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18 Wildcat Plus™
Underwear - Briefs Lt All Operations: T-21 Perma Core™
Alternative Overedge & Coverstitch: T-18 Wildcat Plus™
All Operations: T-21 Spun Poly
Alternative Overedge & Coverstitch:  T-18 Wildcat Plus™
Underwear - Thermal Med All Operations: T-24 Perma Core™
Alternative Overedge & Coverstitch: T-24 Wildcat Plus™
All Operations: T-27 Spun Poly
Alternative Overedge & Coverstitch:  T-24, T-35 Wildcat Plus™
 
  Thread Brand Legend
Brand Name Generic Thread Type Description
Perma Core PW Core Polyester Wrapped, Polyester Core
Perma Spun, Excell, Bravo Spun Poly Spun Polyester
Wildcat Plus Textured Poly Textured (bulked) Polyester
Best Stretch Textured Nylon Textured (bulked) Nylon
 
General Guide to Thread Tex Size by Fabric Weight
TEX SIZE: is the gram weight of 1000M of greige yarn. The larger the Tex Size, the heavier the Thread Size.
Thread Tex Size Oz./Sq. Yd. Seam Construction Weight
Tex 16, 18, 21 2-4 Oz. Extra Light
Tex 24, 27, 30 4-6 Oz. Light
Tex 30, 35, 40, 50 6-8 Oz. Medium

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