Herbarium Kay LennyUpGrade by LennyLamb ready-to-ship-size-xs sleeves and the collar are

sleeves and the collar are made of flexible rib that keeps its shape but still is flexible (don't worry if it is tight around your hips – it slackens with wearing)

We are proud to share that the organic cotton in Trias Laurel Wolle DidySling by Didymos is sourced through controlled organic cultivation

Sizing:Size 1 - 67 inches / 1

and function:

Herbarium Kay LennyUpGrade by LennyLamb ready-to-ship-size-xs sleeves and the collar areLennyUpGrade adjustable baby carrier For infant through toddler Age: 1 30 mos. Clothing size: 62 98 Safe for babywearing little babies 1 month+ (min. 3. 5 kg) Babywearing positions Front tummy to tummy, back (4 mnths +) Grows with your baby Adjustable panel for a perfect fit and healthy ergonomic position at all stages of your baby's development Easy fit Soft shoulder straps and hip belt for your comfort, with multi level adjustment so they are quick