The child seat Bastiaan RWF has the "old" ECE R44 standard (without side crash tests). The new version, Bastiaan RWF iSize, with the new iSize standard is available in our range under the following link: https://www.galaxus.ch/de/s10/product/lionelo-bastiaan-rwf-i-size-kindersitz-37451320?ip=bastiaan+rwf https://www.galaxus.ch/de/s10/product/lionelo-bastiaan-rwf-i-size-kindersitz-37451355?ip=bastiaan+rwf+i

According to our enquiry with the supplier, the processing of the fabrics is different. The extra effort results in a price difference.