Swimsuit by ASOS 4505, Just add water!, Round neck, Cross back, Small ASOS 4505 logo, It's all in the details, High-cut leg. The new activewear range from ASOS offers fashion-forward pieces whatever your workout. Whether you're running, raving or training, ASOS 4505 has the very best performance kit, designed to keep you cool and reflect the most stylish trends, ensuring your playtime has personality. This is our movement for movement. Join in.