FSTCap Ethereal | Icon CircleC feed-gpc-503774 Made from a blend of

Made from a blend of synthetic and natural fibres with a dash of elastane it's got just enough stretch to stay comfortably in place without feeling restrictive

it’s also self-cleaning: every pump stroke pushes clean water forward whilst backflushing contaminants out

the Rift Tumbler 20oz brings the goods

With extra stretch built in

The colour is perfect and it's a really good fit

FSTCap Ethereal | Icon CircleC feed-gpc-503774 Made from a blend ofThe most technically advanced cap in Ciele's line up Most caps top out at "functional." The FSTCap Ethereal is built for something more specific the runner who's genuinely thinking about every gram, every degree of heat, every second of drag. The foundation is TERRAstop ripstop stretch woven fabric, which does something most structured caps don't: it forms to the shape of your head rather than sitting on it, giving a locked in feel that stays put