TOG (Thermal Overall Grade) is a unit of measurement used to indicate the warmth and insulation level of baby sleepwear, including sleep sacks, blankets, and pajamas. It helps parents choose appropriate clothing based on room temperature to prevent overheating or under-dressing. 0.5 TOG: Lightweight, suitable for hot weather or room temperatures above 75°F (24°C). 1.0 TOG: Transitional weight, for moderate temperatures around 68-75°F (20-24°C). 2.5 TOG: Midweight, suitable for cooler temperatures around 59-68°F (15-20°C). 3.5 TOG: Heavyweight, ideal for cold rooms or temperatures below 59°F (15°C).

Kaiya Angel sleep sacks are designed to make sure your baby is always safe and perfectly comfortable, which means a good night’s sleep for baby, but also for you. Choose a sleep sack appropriate for the room temperature, and ensure it fits your baby well is very important.Kaiya Angel design all the sleep sack according to baby growth stage.

We’re happy to help with your return/exchange. If you are dissatisfied with your order, please contact us within 45 days of receiving the product to request a return. Free Standard shipping in US on orders over $69.

The versatility of Kaiya Angel baby clothing makes it an essential piece of your child’s wardrobe. Organic cotton & bamboo rayon baby base layers are supremely soft, helping to protect and soothe sensitive skin. Whether you’re adventuring in the great outdoors or getting ready for nap time, Kaiya Angel baby clothes are the perfect choice!