The slim-fit designs prevents bunching underneath your child's pouch, and the breathable, natural fibres help regulate body temperature and prevent overheating. Parents can follow the FREE room thermometer and What to Wear guide provided with our pouches to find the perfect under-layer for their little one, whatever your room temperature. The 0.2 TOG Layer with Short Sleeves is a light layer designed to be worn on warmer evenings. Our GOTS certified organic fibres are skin-friendly and sensitive on eczema and dry skin conditions. All ergoPouch fabrics are dyed with non-toxic water based dyes, and come in trend-driven prints and colours to suit any nursery. All our prints are designed in-house. Note, the thermometer is not included with this product. How To Use Wear under a cocoon swaddle bag, sleeping bag, sleep suit, sleep onesie or on its own. Materials Organic Cotton / Elastane Care Gentle cold machine wash in mild detergent. Do not soak or bleach. Tumble Dry Low. Moderately Hot Iron. Drycleanable .