Bull Denim

What does Bull Denim mean?

Via 3×1 twill construction, bull denim is a heavy and tightly knit denim weave greater than 14 Oz..

Heddels explains Bull Denim

Constructed of coarse, often slubby yarns with a 3×1 twill weave, bull denim are often greater than 14 Oz. and used for other garment besides denim jeans.

Additional Resources

Washed pigment dyed bull denim hat

Raw Denim Term - Bull Denim

Source: uniformclothing.net