SiS - Gel Trial Pack
Sample the SiS range at XMiles in the SiS - Gel Trial Pack
SIS GO ISOTONIC ENERGY GEL 60ML - Blackcurrent
SIS GO ISOTONIC ENERGY GEL 60ML - Orange
SIS WHEY20 78ML - Strawberry
SIS WHEY20 78ML - Lemon
FUELLED BY SCIENCE - SiS believe that the most sophisticated piece of sports equipment you’ll ever own is your body. If you don’t put high performance sports nutrition in, you won’t get your full potential out.
Their range of products are researched and developed by sports scientists in conjunction with international athletes. This scientific research underpins everything we do to ensure that all our products meet the exacting standards of Informed Sport. This means that everything we do and every personal best you achieve with us, is FUELLED BY SCIENCE.