Science in Sport SiS Running Cycling Hydration Water Bottle 600ml, Clear, One Size

It’s a good product

Very satisfied

I've been using SIS bottles for ages , this 600ml size and a 750ml are perfect for those long days in the saddle. The neutral colours match any bike so there's no messing about. they have great flow and are super easy to clean as well as being cheap to replace - Perfect

Loved product simple to use does the job at a good price

SiS Running Cycling Hydration Water Bottle 600ml, Clear, One SizeSiS Running Cycling Hydration Water Bottle 600ml, Clear. This is not as shown. Picture shown is the older, better version. The new one has an angled top which is hard to open and tighten, the older ones had straight screw top sides; also the teat was hard to operate opening and closing, until I doused it in very hot water and opened and closed it many times while soft, to wear it loose.