Navy Voyage rash vest from Sunuva featuring a round neck, long sleeves and a sleeve pocket. UPF 50 protective swimwear. Please note, when purchasing Sunuva, sizes for 5-year-olds are also suitable when purchasing for children of 6 years old. The same dual sizing applies for 7 years, 9 years and 11 years. Size range is as follows: 5-6, 7-8, 9-10, 11-12. For babies, please note that sizes for 6-9 months is suitable for 6-12 months.. Swimwear must be tried on over your own garments.