charcoal gray marl variegated heather texture background. vertical blended line seamless pattern. for t-shirt fabric

allover background black blended charcoal closeup cloth cotton dark detail dye dyed eps10 fabric fibres garment grain gray grey heather heathered indigo jersey knit knitwear marl marle marled material melange mottle organic pattern print seamless shirt synthetic tee textile texture triblend tshirt variegated vector wallpaper weave woven