Scientific Anglers - XTS GEL SPUN BLUE

GEL-SPUN BACKING
If you’re looking for the best backing available, nothing can beat the XTS gel spun backing. With a diameter a fraction of the standard material, XTS retains its strength in the water, offers extreme abrasion resistance, and can fend off the worst the elements have to offer.

Micro-diameter gel-spun polyethylene allows up to 75% more capacity than standard material
Retains 100% strength while wet
High abrasion resistance, high visibility, impervious to UV rays, gas, salt, and other elements
Smooth coating and low coefficient of friction (COF)