Pants by ASOS 4505, These will help at your gym session, Stretch waistband, Breathable mesh inserts, What's cooler than being cool?, Zipped cuffs, Super-skinny fit, Cut closest to the body. The new activewear range from ASOS offers high-quality gear whatever your workout. Whether you're gaining or training, ASOS 4505 has the very best performance kit, cut to keep you cool, dry and fly. Reflecting your personal style to ensure your playtime has personality, this is our movement for movement.