100% Cotton Why cotton? Cotton is well known for its ability to breathe while keeping the body nice and warm. Our knits are snuggly, soft and perfect for all seasons. We source only the finest quality cotton to ensure we are providing your child with nothing but the best - no nasties! All items are true to size based on an average sized child. If your child is 60% and above on the growth charts please size up. Free shipping within Taiwan.