One good instinct, applied twice
Most reservoirs are sold as a capacity and a promise; most telescopic poles are sold as a length range and a photograph. Terra Peak breaks that pattern once on each page. The 3 litre reservoir names its film as PE/EVA rather than settling for BPA-free. The poles name their lock as an external lever system, given by the maker as Fastlock, which is the specification that shelf turns on and the one most listings on it decline to state.
Why the lock matters more than the length
A telescopic pole is a set of tubes and a clamping mechanism, and the clamp is what fails, slips or seizes. An external lever can be adjusted and re-tensioned with cold hands; a listing that will not say what kind it has is asking to be taken on trust. Alongside it the pole pair publishes 270 g per pole, stated explicitly per pole so it can be compared without arithmetic, real cork grips with an extended EVA section for holding lower on a traverse, and a 110 to 135 cm range.
A neoprene hose cover and a hose brush both arrive in the box, so the tube is protected from heat and cold and can be cleaned from the first day rather than after something has already grown in it. The film being named is worth more than it looks: it is the part of a bladder that carries taste, and a listing that leaves it unspecified leaves the taste question open too.
The poles give no packed length. That is the number that decides whether they travel inside a case, strapped to a pack or not at all, and it is absent — as is any section count, any basket fitting and any alloy grade behind the word aluminium. The reservoir is worse: the opening is never described at all, not its type and not its width, which on that shelf is the specification everything is judged on. No bite valve, no shut-off, no coupling, no seam construction and no empty weight follow it. How you drink from it and how you dry it are both left to the box.