Sea to Summit Frontier UL Collapsible

The Frontier UL Collapsible is a three-piece solo cook system built around a 1 L pot with a hard-anodized aluminium base and collapsible silicone walls, designed to shrink for packing without sacrificing the durability of a metal cooking surface. A folding handle and included lid round out the pot itself, and the set is rated as universal for stove compatibility, meaning it works across gas canister, alcohol, and other common backpacking stove types. Total set weight is 259 g, covering the pot along with a 400 ml collapsible cup and an aluminium spork that both nest inside the pot for storage — a practical way to keep a full cook kit down to one compact unit in a pack. The hard-anodized aluminium base handles direct heat better than pure silicone cookware while the folding silicone walls do the work of reducing packed volume. This system suits solo ultralight and thru-hikers who want a complete, low-bulk cooking setup rather than assembling separate pot, mug, and utensil pieces.