Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Battens
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$5,073.20
inc GST
Ker 11.3 Sails Prices, sail sizes & rig dimensions
8 products cut or sized for this boatI 15.95 · J 4.50 · P 15.50 · E 5.32 mPrices checked 22 Oct 2026
Made to measureIllustration. Yours is cut to this boat’s measurements.
Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Size (LP)
UV cover colour: Captain Navy
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$4,574.90
inc GST
Sized for this boatRacing with a pole? Symmetric spinnakers from A$1,448.70
Asymmetric spinnaker
Asymmetric Spinnaker · Size 7 (83 m²)
Matched to the Ker 11.3 fore-triangle · 1.5 oz nylon · 11 colours
Spinnaker cloth colour: White
Sock outer tube
Sock inner tube
The sock goes in your cart as its own line, linked to this spinnaker.
A$2,352.90
inc GST
Fits the Size 7 spinnaker
Dousing sock
Spinnaker Dousing Sock · 13.8 m
UV-resistant ripstop nylon sock to hoist and douse the spinnaker from the deck
Outer tube
Inner tube
A$874.50
inc GST
OSR max 12.7 m²Luff attachment
Luff tape relies on a foil, so it does not meet the OSR luff-attachment rule. Choose hanks or wrap luff for offshore racing.
A$1,391.50
inc GST
OSR max 14.4 m²
Luff hardware
Tell us your track size after you order.
A$1,250.70
inc GST
Fits a 5.32 m boom
Canvas
Colour
A$657.80
inc GST
Fits a 5.32 m boom
Canvas
Lazy jacks
Colour
A$1,224.30
inc GST
Get the price list
Every Ker 11.3 price on one printable page: mainsail and genoa in each cloth, the spinnaker, sock, storm sails and canvas, plus the rig dimensions.
Not ready to buy yet?
Ker 11.3 rig dimensions
| Measurement | Metres | Feet |
|---|---|---|
| I (fore-triangle height) | 15.95 | 52.3 |
| J (fore-triangle base) | 4.50 | 14.8 |
| P (mainsail luff) | 15.50 | 50.9 |
| E (mainsail foot) | 5.32 | 17.5 |
| Mainsail area | 48.2 m² | 519 ft² |
| Fore-triangle area | 35.9 m² | 386 ft² |
| Length overall (approx.) | 12.50 | 41 |
We confirm your measurements before anything is cut.
Ker 11.3 sails: questions
How much is a new mainsail for a Ker 11.3?
From A$5,073.20 in Dimension-Polyant Optimum Cruise with 3 leech battens and a full-length head batten, or A$5,311.90 with 4 full battens. C-Breeze, the long-life cloth, starts at A$6,691.30. Every mainsail is cut to the Ker 11.3 rig (P 15.50 m, E 5.32 m) with two reefs.
What size genoa does a Ker 11.3 need?
We build 110% to 150% LP for the standard rig (I 15.95 m, J 4.50 m). Pick a smaller genoa for a windy home port and a larger one for light-air sailing. Furling genoas start at A$3,870.90.
What size spinnaker fits a Ker 11.3?
A Size 7 (83 m²) asymmetric suits the Ker 11.3 fore-triangle. It starts at A$2,352.90, or A$3,227.40 with a dousing sock.
What size storm jib and trysail fit a Ker 11.3?
The Offshore Special Regulations cap a storm jib at 5% of I squared (12.7 m² here) and a trysail at 17.5% of P × E (14.4 m²). That makes our Maxi (12 m²) storm jib and Large (10.8 m²) trysail the right sizes.
How do I check my boat matches these measurements?
Measure I, J, P and E and compare them with the rig table. We confirm every measurement with you before the sail is cut.
From the same loft
Racing offshore or heading somewhere remote?
For a race programme, a Sydney to Hobart or a bluewater expedition, our sister loft Kraken Sails designs laminates, membrane sails and storm wardrobes for the hard end of sailing.