Free shipping on non-board orders over $250 in the continental USA.
*Excludes 2012-2013 Neil Pryde sails and masts.

  • Maui Sails 190cm boom incurs a $60 surcharge.
  • Some sails larger than 8.5m2 incur a $60 surcharge
  • 520cm masts and booms longer than 190cm incur a $60 surcharge.
  • Applies to in-stock items only.
  • Does not apply to international orders.
  • Please email us or call us at 800-473-1153 for a rate quote.

For orders less than $250, the following applies:

Domestic Orders
  • To ensure you the lowest rate, we calculate the shipping cost and add it to your order manually.

Offshore Orders
  • Orders delivered outside the continetal US must be a minimum of $200.00.
  • This includes all international destinations and US zip codes to AK, HI, PR plus all US territories including APO, FPO and DPO addresses.
  • After you submit your order, we will email you a shipping rate quote for your approval before processing your order.

Expedited Delivery
Please enter expedited delivery instructions in the Special Instructions section when checking out.
Base Extensions - Reduce Diameter - US Cup 
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Reduce Diameter Base Extensions (RDM) or Skinny are the proper choice for use with Reduce Diameter Masts (RDM). We sell base extensions from: Chinook, Streamlined, Aeron, and Epic. The Base Extension is used to achieve proper tension and luff length of sails. It has a pulley system and cleat to downhaul and secure tension. US cup RDM extensions are compatible with US cup bases. They have a diameter of 1.5" (approx 38cm). RDM base extensions come in 2 constructions: Aluminum or Carbon; are available in lengths: Short (6cm), Medium (28cm) and Tall (48cm).