Mamas & Papas Boys Sea Print Long Sleeve Rashsuit (0-3 Yrs) - 3-6 M - Blue - Available at M&S
They'll love splashing about in this adorable rashsuit from Mamas & Papas. It's made with long sleeves and a high neckline for coverage, while the half-zip fastening allows for easy dressing. The playful print features shoals of fish and turtles among the seaweed, in keeping with the aquatic vibe.