Why anti-basic? It has a hidden beaded pocket, that's why.
Sweater Material: "Punto" & "Leatherette"
"Punto" is is a very high quality, double knit jersey fabric. Despite the fabric being thick knit, it is able to provide sufficient thermal insulation for colder days while maintaining good air circulation for hotter days.
In contrast, "Leatherette" is a thinner knit jersey fabric that offers little thermal insulation but is very breathable for hot weather.