Banana Republic Knit Tank This top is loose sweater knit and requires undergarments (if you wish!) Heavier in weight, would also be nice as a layering item. I purchased it to wear as a vest, but never wore it. Square fit. Bust: 35" Bottom: 35" Length Front & Back: 14 1/4" Strap: ~11: This item did not have a care tag - probably fell off in the store. It feels like a cotton/rayon blend which would be wash - dry flat if needed. No smoking, no pet home.