This year saw Chris Froome win his second Tour de France, four Grand Tour stage victories, a host of stage race wins and a second successive World Championships time trial champion in Vasil Kiryienka.
For 2016, SiS and Team Sky will work with each individual athlete to tailor a nutrition plan for the season, with SiS supplying everything from their GO energy and electrolyte gels, to the new SiS protein range.
Dr James Morton, team nutritionist at Team Sky, said: “Nutrition is integral to any successful cycling team and we’re looking forward to working alongside SiS next year.
“It’s a company I know well and I know how seriously they take their position in the endurance sports nutrition industry. SiS is truly committed to providing trusted and evidence-based products, which is something that is extremely important to Team Sky.”
Ashley Read, marketing director for SiS, said: “Science underpins everything we do and we’re really proud to be fuelling Team Sky with our industry leading products next season.
“We have a huge responsibility and opportunity as the official sports nutrition supplier to continue to be innovators in the market and fuel Team Sky to even more success in 2016.”
Team Sky have signed several key riders for next season, with former world champion Michal Kwiatkowski coming on board, alongside Mikel Landa, Michal Golas, Beñat Intxausti, Alex Peters and Gianni Moscon.