Is Ninja Shark worth buying from?

Ninja Shark is a snorkelling specialist rather than a general sports shop, and it earns the shortlist when you want a full-face mask or a family set from a store that only does this — as long as you get the fit and the safety features right.

Ninja Shark is an Australian store built around snorkelling, and its demand is exactly that: full-face snorkel masks, snorkelling gear and packages, and kids' snorkel sets are its most-searched lines. Being a specialist is the point — you are buying from a store focused on masks and fins rather than a general retailer where the category is an afterthought.

Full-face masks are convenient but they are not all equal, so the features matter. Look for a proper purge valve and a design that manages airflow and fogging, and read how the mask handles breathing — the store's own explainers on how a purge valve works are worth reading before you choose. For anything beyond calm, shallow snorkelling, many divers still prefer a traditional mask-and-snorkel, so match the gear to how you will actually use it.

Fit is safety with snorkel gear. A mask has to seal to your face, and children need a size made for them, so use the sizing guidance and buy the kids' range for kids rather than sizing down an adult mask. A mask-fins-and-bag package is usually better value than buying the pieces separately if you are starting from scratch.

As an Australian purchase your order carries Australian Consumer Law rights, so keep the confirmation — and check the returns policy on used water gear, which is tighter for hygiene reasons once a mask has been worn.

• Check the safety features

  Look for a purge valve and anti-fog design, and read how the full-face mask manages breathing.

• Get the fit right

  A mask has to seal to your face — use the sizing guide, and buy the kids' range for children.

• Buy the package

  A mask-fins-and-bag set usually beats buying the pieces separately if you're starting out.

• Check the returns policy

  Returns on used water gear are tighter for hygiene, so confirm the size before you buy.