Ribbed sleeveless turtlenecks are made from a range of knit fibers, including acrylic (often in blends such as 55% acrylic/45% rayon), viscose (including 100% viscose options), polyester, polyamide, and stretch fibers like spandex/elastane, as well as mixed viscose/polyester/acrylic blends.
Sleeveless ribbed turtlenecks appear in several neck styles, including full turtleneck, mock turtleneck, high neck, and sometimes crew or scoop neck finishes.
Most ribbed sleeveless turtlenecks are midweight (medium-weight) knit garments featuring a ribbed texture; a smaller number are described as lightweight knits.
Care instructions vary: many listings specify machine wash (some also allow tumble drying), others recommend line dry or lay flat to dry, and a few item descriptions omit washing or drying guidance.
Ribbed knits are most common, alongside sweater-knit and cable-inspired knits; some descriptions also reference woven constructions and medium-weight knit densities.