The Floor is Lava UPF 50 Short Sleeve Aero Skinsuit

$ 300.00
$ 300.00 $ 300.00


This is a pre-order item and will not be shipped for 9-14 weeks. For more information about pre-orders, please refer to our Pre-Order Terms and Conditions


If you have any sizing questions, or would like to send us your measurements to ensure the best fit, please contact

  • UPF 50
  • Moisture wicking material
  • Made with Cool Black technology (black fabric will be the same temperature as white fabric in the sun)
  • Hydrophobic to reduce drag on your swim
  • Large side pockets
  • Two back pockets for storage
  • Half zipper can fully unzip for immediate additional breathability
  • Full length zipper cover
  • Mesh lining with two hidden pockets
  • Item is compressive and aerodynamic therefore it should fit VERY tight
  • Power band grip to reduce "riding up"
  • 8" Inseam
  • Bluesign® certification ensures that our goods are made from materials that are safe for people and the environment and that air and water emissions from the manufacturing processes are entirely clean.
  • UV color changing icon
  • International shipping available

Please note: Some details may change between the posted renders and the final product.


Your order will be processed and shipped in 2-5 business days of the order date. Once shipped, you can typically expect your order to arrive within 2-6 days.


We want you to say 'OMG'! when you receive your Tri Sirena items! If something just doesn’t work for you please fill out the return request form below within 30 days of your purchase and a Siren Team Member will reply within 2 business days on your order with a return approval and instructions to send back. Items must be in new, unworn condition with tags on. The following items are not eligible for returns: Items stating "FINAL SALE". Items purchased over 30 days ago. All "Outlet Sale" items are able to be returned for store credit only. If you have any questions, please don’t hesitate to contact us: