It’s ribbed. This is a go-to crewneck longsleeve designed for a tight fit. It’s made from Aritzia’s HomeStretch™ — body-hugging, stretchy ribbed fabric with a cottony soft feel. For your everyday. Materials & Care Content: 94% cotton, 6% elastane Care: Machine wash Imported Fit: Tight — A close fit that hugs the body Length: Hi-Hip — Intended to hit just above the hip Model is 5'10"/178cm wearing a size S On average, customers say it fits true to sizetrue to size Worn once.