Train in style with the new boys Dolfin Graphlite Blue Thunder swim jammers, these are the perfect choice for swim training sessions and regular pool use. These boys Dolfin Jammers feature an eye-catching splash of blue cross the front on a black base. The Blue Thunder swim Jammers are made with a blend of Micro Nylon and Xtra Life Lycra, the Micro Nylon provides great flexibility and is fast-drying. The Xtra Life Lycra provides resistance to chlorine, and ensures these swim Jammers hold their shape for longer. Dolfin swimwear is held in high regard by swimmers across the globe for their long lifespan, superb comfort and interesting designs. Remember to rinse your Dolfin jammers in fresh cold water and follow the care instructions to get the most use out of your Dolfin swim jammers. Features: Boys Dolfin Jammers from the stylish and durable Graphlite collection. Lightweight, quick drying fabric. Xtra Lift Lycra® provides Chlorine resistance and shape retention properties. Internal Drawstring and front Lined. Material: 71% Micro Nylon / 29% Xtra Life Lycra.