Dope-dyed fabrics are mass-colored fabrics made by pre-spinning dyeing, with colorants evenly mixed into fiber melts or solutions before spinning. Full-body fiber coloration brings superior color fastness, resisting high-frequency industrial laundering, sunlight and abrasion without color batch variation. Its production skips subsequent dyeing and finishing, achieving low-carbon, eco-friendly and energy-saving effects. Compatible with various functional compounding and post-finishing, these fabrics are widely applied to workwear in manufacturing, logistics and sanitation, professional uniforms in medical and catering fields, and outdoor gear for mountaineering and hiking.