Billabong Women's Tidal Crush Mini Dress Deep Lagoon days, sorted. The Tidal Crush Mini Dress is a breezy woven slip made from soft viscose moss crepe with a regular fit that skims without clinging. A front hem split flashes a little leg, while the 34" length and subtle metal plate branding keep it easy to dress up or down. Fabric: 100% viscose moss crepe woven