Wave is the latest travel system from silver cross designed to give your newborn the very best in comfort and protection44 yet future proofed for growing families ndash all in one clever packagethe innovative one plus onereg system transforms the wave from a single travel system to a double without the need for an extra purchaseadditional full size carrycots44 tandem pushchairs and car seats are available44 allowing you full flexibility to easily switch between 16 carrycot44 pu