Since the beginning of the class, J/70 athletes who want to elevate their sailing performance have been turning to Quantum for the sails that will get them to the podium. We share that passion and commitment to improving performance by continuously redesigning and upgrading our J/70 sails.

Quantum’s J/70 sail packages give you the latest in sail design technology with the fastest, highest quality, and longest lasting sails in the fleet. Our design technology allows us to optimize the orientation of the threads to maximize performance and minimize stretch. In addition to fleet-leading sails, Quantum’s J/70 experts are at your service with support, webinars, and tuning guides. We're also on the race circuit with dock talks and clinics. Working with Quantum will help you achieve your optimal performance for every condition.

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J/70 Mainsails

J/70 Mainsail Cross Cut CM-2

If you're looking for the most advanced mainsail to give you a leg up this season, the CM-2 is your sail. It's fast, has a versatile design that is easy to trim and tune, and is a powerhouse in both choppy and flat seas, making it a favorite of champions and beginners alike. The CM-2 is constructed of premium Dimension Polyant 240B sail fabric and designed with our proprietary iQ Technology® that ensures ideal shapes hoist after hoist.

INCLUDES: RBS battens (light and heavy), vision windows, tell tales, numbers, draft stripes, roll bag, class insignia and class royalties (J/70 and ISAF).

J/70 Headsails

J/70 Jib CF-3

The CF-3 is an updated version of the fast, race-proven, and popular CF-2. Updates include a slightly higher clew and press rings (grommets) in the tack and head that offer a smaller shackle and finer tuning that create a flatter head area for greater entry down low. This fuller entry is forgiving in trim, easier to balance, and allows for more inhaul and tighter sheeting without compromising shape and speed. Its tri-radial design, constructed out of premium Dimension Polyant cloth, delivers speed, durability, and performance in the J/70 Class.

INCLUDES: RBS battens (light and heavy), vision windows, telltales, draft stripes, roll bag and class royalties (J/70 and ISAF).

J/70 Spinnakers

J/70 Spinnaker F6 - Dynakote 75

The F-6 Dynakote 75 Spinnaker is the ultimate all-purpose sail. Based on the same popular F-6 design, this sail is constructed with a softer, non-absorbent, grand prix material. The F-6 design is known for its excellent soaking mode and great reaching speed. Combine that with the malleable, flexible material, and you get a more forgiving sail that keeps the boat fast and nimble, even when conditions get rough. And since its Dynakote material doesn't absorb water, the sail stays light even as the bow powers through waves. This sail comes in multiple colors and combinations to help you stand out on the race course.

INCLUDES: Drawstring sail bag, royalties (J/70 and ISAF).

This product may be ordered through your local rep or a class expert.

(888) 773-4889
Request a quote Find a loft
J/70 Spinnaker F6 - Airx 650

Quantum's F-6 spinnaker is the go-to J/70 spinnaker for all-purpose sailing. The sail's popularity comes from its excellent soaking mode combined with great reaching speeds. Constructed with AIRX 650, this spinnaker is fast, responsive, and flexible, yet stiff enough to love a good pump down the waves. The sail comes in multiple colors and combinations. Don't forget to ask about adding your custom graphic or logo for maximum style points.

INCLUDES: Drawstring sail bag, royalties (J/70 and ISAF).

This product may be ordered through your local rep or a class expert.

(888) 773-4889
Request a quote Find a loft

J/70 Accessories

J/70 Jib Batten Set

RBS Tapered Battens

J/70 Mainsail Battens

RBS Tapered Battens

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Kris Werner

Kris Werner grew up in Queens, NY, and spent his childhood on the water, sailing and fishing. He is a graduate of New York Maritime College at Fort Schuyler, where he earned an unlimited tonnage/oceans USCG license and a Bachelor of Science degree in Marine Transportation and Business.

After four years of collegiate varsity and offshore sailing, Kris served as a collegiate sailing coach and waterfront director. His career took him all over the world as a ship's officer on ocean-going tankers. In 2004, Kris came to Rochester to earn his way to Chief Officer on the Rochester Fast Ferry. He then worked as a Broker with RCR Yachts and began collaborating with Steve Haarstick on sail designs for various boats, including J/70s, J/24s, and other offshore vessels. For three years, he worked at Haarstick Sailmakers before transitioning to becoming the owner of the loft which is now Quantum Sails Rochester. Kris has extensive experience in offshore and one-design racing campaigns, both as a helmsman and a crew member. In addition to being a familiar face on the racing circuit, Kris enjoys spending time cruising with his wife and three boys.

Basic info
  • Nationality: USA
  • Position: Great Lakes Regional Manager
  • Current Town: Rochester
Career highlights
  • 2023 - J/22 North American Championship, 2nd Place
  • 2022 - J/22 World Championship, 2nd Place
  • 2022 - J/70 North Americans, 3rd Place
  • 2022 - J/70 Midwinters, 4th Place
  • 2018 - Verve Cup/J-88 North American Championship- 1st Place
  • 2018 - CanAm Challenge- J-88 Great Lakes Championship 1st Place
  • 2018 - Charleston Race Week- J-88 1st Place
  • 2018 - J/24 Midwinters 3rd Place
  • 2017 - Charleston Race Week – J/88 1st Place
  • 2017 - J/88 North American Championship 1st Place
  • 2017 - J/22 Midwinters - 2nd Place
  • 2017 - Quantum Key West- J/88-1st Place - Tactics/Mainsail
  • 2016 - J/24 Great Lakes Championship- 1st - Helm
  • 2016 - CanAm Regatta- J-88 Class- 1st Place - Tactician/Mainsail
  • 2016 - J/22 World Championship- 4th place - Tactics/Bow
  • 2014 & 2015- J-70 Winter Series- 5th Overall- 45boats-helm
  • 2013 - Charleston Race Week One Design Overall Champion- J/24-helm
  • 2012 - Newport-Bermuda - 2nd Place - Swan 42-helmsman
  • 2012 - Argo Gold Cup Match Race World Tour event- Bow
  • 2011 - IRC North American Champion-helm
  • 2009 - Lake Ontario / LYRA Boat of the Year- Beneteau 40.7-helm/tactics
  • 2009 - Lake Ontario 300 - 1st Place-skipper
  • 2006-8 - Meter North American Champion-tactics/mainsail
  • 2005 - J/24 Great Lakes Champion-helm
  • 1998 - 2001 Coached NY Maritime College Sailing team to National Ranking
  • 1998 - Empire State Games- Gold Medal- Laser
Scott Nixon

Scott Nixon has been involved with racing his whole life. An All-American sailor at St. Mary’s College of Maryland, Scott later coached many students to the All-American ranks at the College of Charleston in South Carolina. He has a wide range of racing experiences, including dinghies, One Design keelboats, inshore big boats, and offshore distance racing.

Scott joined Quantum Sails in 2000, and his experiences bring a unique skill-set to Quantum’s programs. Focusing primarily on One Design classes, he is directly involved in testing, design, and development of Quantum’s One Design sail programs, working directly with the design team to make sure Quantum® sails are at the front of the fleet.

Scott has sailed with Quantum customers to win championships at the world, Gold Cup, European, North American, and national levels. His hands-on approach includes active campaigns and racing in the following classes for Quantum: J/22, J/24, J/70, J/80, J/109, J/111, C&C 30, Farr 30, Farr 40, NYYC 42, Swan 45, Melges 20, Melges 24, and Melges 32.

Basic info
  • Nationality: USA
  • Position: Global Offshore One Design Director
  • Current Town: Annapolis
George Szabo

George grew up in San Diego racing Stars, Lasers and Snipes. As a kid, he made sails for his model boats before eventually taking a part-time job with Quantum during high school and college. He came on full-time in 1993 as a sailmaker and designer.

Using the latest computer design programs, George is able to create the fastest, most efficient sails for smaller One Design boats. This technology, combined with his intimate understanding of One Design sailing, allows him to create the most versatile sails available. The San Diego loft designs a variety of One Design sails, including Thistle and Lido 14, but their specialties are Olympic Class Star and Snipe boats.

George is the 2009 Star World Champion, as well as an 21-time National/North American Champion. In addition to his sail-making abilities and wins, he is also an accomplished keelboat tactician and trimmer.

Basic info
  • Nationality: USA
  • Position: Sail and Design Consultant
  • Current Town: San Diego
Career highlights
  • 2011 Star North American Champion
  • 2010 Star North American Champion
  • 2009 Star World Champion
  • 2005 Star North American Champion
  • 2005 Snipe National Champion
  • 2001 Star North American Champion
  • 2000 Snipe North American Champion
  • 2000 Snipe National Champion
  • 1999 Snipe North American Champion
  • 1999 Snipe National Champion
  • 1998 Snipe North American Champion
  • 1998 Snipe National Champion
  • 1997 Snipe North American Champion
  • 1997 Snipe National Champion
Carlo Fracassoli

Born and raised on Garda Lake, sailing has been Carlo Fracassoli’s favorite sport since childhood. It’s no surprise that he become a professional sailor in 2001. In 2003, he began collaborating in the development of racing and cruising sails for some of the industry’s best known sails brands. He designed sails for monotypes and had great results on the water.

In 2012, Carlo and Manlio Pozzoli opened their own sailmaking loft and affiliated with Quantum Sails as the Quantum Pro-Laghi S.N.C. loft. Since then, he has designed most of the sails sold by the Italian sales team. A One-Design specialist, Carlo designs many sails for Melges 20, 24, and 32 classes, Garda and European lakes monotypes, and ORC and IRC offshore boats.

An accomplished sailor, he won the Melges 24 World Championship in 2012, 2017 and 2019 and the European Championship in 2011 and 2018.

Basic info
  • Nationality: Italy
  • Position: Sail Designer

Italian, English

Fernando Sallent

A Sallent siempre le a apasionado encontrar la manera de hacer que los barcos vayan más rápido. Su carrera en la vela comenzó con solo 10 años cuando un amigo de su padre le compró un Optimist. Quedó enganchado desde el principio, inspirando su primera aventura comercial como adulto y catapultándolo a una larga y exitosa carrera en la fabricación de velas. Desde que se unió a Quantum en el año 2000, Sallent ha aportado su ojo para el detalle y la excelencia, para la mejora al equipo de vela ligera de Quantum Barcelona. Un regatista consumado, Sallent también ha sido un gran entrenador de la clase 470, entrenando a campeones olímpicos, en los mundiales y europeos de Grecia, Noruega, Suiza, Suecia y España. Sus diseños de velas también contribuyeron a ganar 8 medallas olímpicas (6 de oro, 2 de plata y 2 de bronce) en 4 clases. Su capacidad para instruir y aconsejar es una herramienta valiosa no solo como entrenador, sino también para los clientes de Quantum que buscan mejorar su rendimiento en el agua.

Basic info
  • Nationality: Spain
  • Position: Sail Designer
  • Current Town: Barcelona
Career highlights
  • 1992 Olympics – 470 men’s gold medal, 470 women’s gold medal, Europe Dinghy silver medal
  • 1996 Olympics – 470 women’s gold medal, 470 men’s bronze medal
  • 2000 Olympics – Europe Dinghy bronze medal
  • 2004 Olympics – Europe Dinghy gold medal, 470 women’s silver medal, 470 men’s bronze medal
  • 2008 Olympics – Tornado gold medal, 470 men’s bronze medal
  • 2012 Olympics – 470 women’s gold medal
  • 470 Class – 1992-95 men’s world champion,
  • 1992/1995-96/2005/2011 women’s world champion
  • Optimist – 1993-96/2004 world champion
  • Europe Dinghy – 2003-04/2010 women’s world champion
  • 2004-06/2010-12 men’s world champion
Adrien de Belloy

Adrien de Belloy started sailing at four years old, traveling around the North Atlantic with his parents on a boat they built themselves. As a family, they spent a year sailing across the Atlantic, from France to the Caribbean to New York and back. By the time Adrien was 12, he’d moved on to competitive racing. “I loved the sense of freedom, responsibility, team work and being out in nature,” he said. “Nowadays I still love reaching to the horizon and the technical aspect of it. I’m always searching for a way to go faster and trim better.”

With a degree in yacht and powercraft design from Southampton Solent University, Adrien joined Quantum Sails Barcelona as a sail designer in 2007. He left the loft in 2010 to work as a self-contractor for Quantum while he built the boat he and his wife sailed around the world, covering 44,000 miles from 2011-2013. He continues to design for Quantum at the France loft, and is back to racing IRC, Soto 40, and more.

Designing sails for everything from dinghies to super yachts, racers to cruisers, Adrien loves his work. “I love the never-ending improvement,” he said. “Getting to see my designs at sea, then analyzing them to keep on adapting to every situation.”

Working with the team at Quantum gives him the support and resources he needs to design the best sail for every sailor. “Working for Quantum means being part of a great team that is aiming for success at every endeavor,” said Adrien. “We work twice as hard to prove that we are ready for the next challenge.”

Basic info
  • Nationality: France
  • Position: Sail Designer
  • Current Town: Cogolin

French, English

Alejandro Irigoyen

Alejandro Irigoyen

Alejandro Irigoyen started sailing when he was 12 years old. His father was a keen sailboat racer at the Yacht Club Argentino, and Alejandro spent his weekends racing and living aboard the family’s wooden S&S Finisterre. By the time he graduated high school, Alejandro knew he wanted to dedicate his life to sailing, so he started studying yacht design.

He started his sailmaking career in 1982 working for Hood, before starting his own Sobstad loft. In 2001, Alejandro joined the Quantum Sails family. “It was a natural decision,” he said. “I shared the same view and goals as the founding group.”

Though he’s sailed in various classes, Alejandro’s expertise includes Optimist, Cadet, 470, Snipe, J/24, J/70, J/105, Soto 33, and Soto 44 classes. Whether he’s sharing his class knowledge and experience, or helping customers organize their campaigns and training, Alejandro’s passion for excellence provides the best service, products, and support for his customers.

Basic info
  • Nationality: Argentina
Career highlights
  • 15-time National Champion in Argentina, Chile, Brazil, and Peru
  • 6-time South American Champion in Cadet, 470, J/24, and Soto 40 as helm/skipper
  • Coached 470 Olympic bronze medalist teams in 2000 & 2012
  • Coached Soto 40 Team Negra in 2010 & 2013
  • Has successfully raced as helm/trimmer/tactician on board various One Design and offshore boats at regattas in more than 30 countries around the world