Dorset Development Competition 2026 t-shirts and swim hats are now available to pre-order from All4Swim. Crew neck quick dry t-shirts come in a choice of lavender and cornflower blue, with complementary silicone hats in a choice of silver/lavender and blue/white. Price is £16.50 for shirts and hats £7.95. Visit the merchandise page at All4Swim https://www.all4swim.co.uk/collections/merchandise