These red and yellow wicklbandr handwoven. 

They are 3.5" wide, and a few inches under 4yrds each. 

They are handwoven to width, in broken diamond twill pattern, the twill allowing them to flex around leg muscles and such. 

These are a Drifa Original

All photos of the product are taken in natural light, colors are represented as close as possible, but all monitors display differently.