The Detour Stainless Steel Collapsible Kettle holds 1.6 litres and folds down to just 63mm for storage, combining a silicone body with a stainless steel base and lid rather than the aluminium used on Sea to Summit's lighter Frontier kettle. Two glass-reinforced nylon handles make it manageable once it's off the stove.
The stainless steel construction is more durable and better suited to group cooking or repeated use than a lighter aluminium equivalent, at the cost of some weight — a fair trade for hikers boiling water for several people rather than solo trips where every gram matters.