One Step Up Juniors Half Sleeve Tunic Top 100% cotton One Step Up juniors tunic scoop neck with ruched detail, 12" half sleeves with cuffs fitted style with 8" seamed hem 100% cotton Junior sizing, runs smaller than regular women's. Model is 5' 4" and wearing a size Small. Measurements laid flat. Small: 14" chest, 28" long. Medium: 15" across chest, 28.5" long. Large: 16" across chest, 29" long. X-Large: 17" across chest, 29" long.