Calyn Thermo-Chill 650ml Insulated Bottle

* Double-wall thermal insulation keeps liquids cold for up to 4 hours.

* High-flow, self-sealing nozzle eliminates leaks and spills.

* Made from BPA-free, cycling-safe materials (Trutaste™ tech).

* Ergonomic, easy-squeeze design for quick, hands-off drinking.

* Perfectly fits standard 74mm bicycle bottle cages.