Premium Charcoal Rib-Knit Fabric Texture

[Format] Professional e-commerce product main image, square 1:1, tactile full-bleed textile close-up style. [Colors] Charcoal-black ribbed knit fabric (#22262a) filling the entire frame; a single yellow painted brushstroke strip (#f5c518) along the bottom with black text and line icons. [Layout] The fabric texture fills everything in soft diagonal folds and ridges; the only graphic element is the yellow strip hugging the bottom edge, holding one bold claim, one sub-line and three small icons separated by thin rules. [Subject] An extreme close-up of heavyweight charcoal rib-knit fabric with fine wale lines, soft draping folds and visible fibre texture under gentle diffused light. No people. [Headline] Yellow strip: "Quality Fabric" in heavy black caps, followed by "Skin-Friendly Comfort, Fine & Smooth"; icon labels reading "Pure Cotton", "Comfort", "Breathable". [Badges] None. [Mood] Cozy, premium and touchable; moody dark texture warmed by one yellow proof strip.