Kyte Baby The Original Sleep Bag Wearable Blanket in Matcha. Size S/M 6-18 Months .5 TOG. - Sleeveless - Front zip closure with chin guard - .5 TOG (23-26°C/74-78°F) - Lined, with polyester insulation - 97% rayon, 3% spandex Gently used and in good condition. Smoke free, pet free home. No visible stains or markings. Kyte recently updated their sizing to use XS, S, M etc. This sleep sack reflects their previous sizing, 6-18m, which aligns to their new S/M size.