Costello Blouse App Google Chrome App Store. Put a pinstripe in your step with the Costello Blouse. This retro style, navy and white pinstripe blouse features an elaborate wide neckline, accentuated with a white pointed flat collar. The semi fitted shape has a button up fastening at the front, adorned with pearly white buttons to finish the look. Short sleeves Length to mid hips Fabric content: 100% Polyester Fit advice: Fabric has no stretch, stick to sizing advised on size guide for bust, waist & hips. If in between sizes, choose size up. Length: Centre back from neckline to hem is 50cm o6n size small, length slightly increases per size Model: Emily S is 5. 9ft and is wearing size XS, Penelope is 5. 8ft and is wearing size 2XL