By Out.com Editors
Because both LHT and RHT will eventually twist with the direction of the twill, some manufacturers opt for a combination of both -- called broken twill -- which alternates left and right to avoid any future coiling of the fabric.
Thank sanforization for taking the guessing game out of jean shopping. Before this shrinking process (involving fabric treatments and stretching) was developed in the 1920s, denim would shrink up to 10% after the first wash and continue to diminish until the third wash.
Chubby Checker be damned. The anti-twist (also called skewing) corrects RHT and LHT denim's natural inclination to twist in the direction of the twill.
Want strength? Look no further than bull denim, which is the most heavyweight of the denim weaves.
Stonewashed jeans used to be worn down with volcanic pumice stones, but today more environmentally friendly enzyme washes that use organic proteins are the method of choice. In addition to using less labor and less non-renewable resources, it also reduces fabric-degrading wear on the denim common with pumice.
That buckle you see on the back of so many jeans isn't just some arbitrary fashion statement. Once upon a time, there were no such things as belt loops on jeans - in order to tighten the waist, men had to adjust a back cinch buckle located atop the center back.
The yoke (also called the rise) refers to the concave construction to the rear waistband on a pair of jeans and plays a big role in fit.
Almost every pair of jeans uses chain stitching -- the loop-like pattern formed with denim's iconic yellow or orange stitching thread -- which, after years of use, produces roping effects at the hem.
Contrast stitching uses a stitch thread color that contrasts with the color of the denim.
Double stitching with two parallel stitches are an important element to pocket durability and are often used to reinforce the hem.
Bar tacks are the extra stitching used to reinforce edges and corners of pockets, seams, belt loops, and buttonholes. Some designers have signature bar tack patterns.
Plied denim is made from multiple yarns that have been twisted together and is necessary to increase fabric strength, especially for denims to receive heavy dyes and treatments.
Ring Spun Denim
The original and most desirable process for spinning the cotton yarn used in jeans, ring spun denim is soft, strong, and produces threads of uneven texture deviations most associated with vintage looks.
Open Spun Denim
Created in the 1970s as a cheaper alternative to ring spun, open spun denim is generally regarded as inferior, producing rougher -- even fuzzy -- jeans that aren't as durable as ring spun.
Denim made from cotton grown without contaminating pesticides or fertilizers is called organic denim.
Rivets are small metal tacks used to reinforce stress points, especially around pockets.
Jeans that have not undergone any washing processes are referred to as raw denim. Usually dark indigo and stiff to the touch, they nod to the simplicity of the early days of denim.
Once done completely by hand, in sandblasting, jeans are bombarded with sand to produce a faded look.