
Reader rating
Rate it and you move it. Community ratings re-rank this product inside its Top 10 list.
Expert-picked, reader-ranked. Our editors choose the products and the launch order; member star ratings move picks up or down over time.
Best small pocket flask from a big titanium maker.
Pros
- Chemically inert titanium preserves liquor flavor indefinitely
- Ergonomic kidney shape carries comfortably against the body
- Bundled titanium funnel prevents messy spills during refills
- Saves considerable ounces compared to classic stainless flasks
Cons
- Detached screw cap is easy to misplace around camp at night
- Fine titanium threads require deliberate alignment to avoid cross-threading
- Narrow spout makes filling impossible without the funnel
Best uses
- Ultralight summit celebrations
- Discreet winter coat pocket carry
- Multi-day alpine backpacking trips
- Cold-weather fly fishing outings
Specifications
- Material
- Grade 1 uncoated titanium
- Capacities
- 100 ml (3.4 fl oz) / 200 ml (6.8 fl oz)
- Empty Weight
- Approx. 63g (100 ml) / 88g (200 ml)
- Included Extras
- Titanium fill funnel
- Seal Type
- Food-grade silicone gasket
- Profile
- Curved kidney hip-flask shape
Pricing
We don't publish a price we haven't verified. The retailer links below open the live listing for this exact model.
Best for
Ultralight summit celebrations, Discreet winter coat pocket carry, Multi-day alpine backpacking trips, Cold-weather fly fishing outings
Where to buy the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306)
We don't have a direct Amazon listing on file yet — this opens an Amazon search for the exact make and model.
Some links are affiliate links. Buying through them supports our testing at no extra cost to you.
Keith Titanium is best known for churning out utilitarian, no-nonsense camp cookware, and their pocket flask lineup reflects that exact lineage. Available in a compact 100 ml format (Ti9306) and a standard 200 ml size (Ti9307), this flask pares down the trailside hip vessel to raw essentials. There are no hand-stitched leather jackets, polished pewter emblems, or heritage gimmicks here. Instead, you get an unembellished titanium shell designed to carry a couple of celebratory drams up a ridge without dragging on your pack weight. What sets Keith apart in this category is straightforward execution. Because titanium is chemically inert, it eliminates the lingering metallic bite and acidic reactions that can ruin good bourbon or rye left inside stainless steel or cheap tin over a multi-day trip. The flask sits discreetly against the body, sheds drops without worry, and comes packaged with a tiny matching titanium funnel that saves you from wasting good whiskey over the camp table.
Who It Is For
This flask targets the backpacker, hunter, or backcountry angler who considers a sip of high-proof whiskey an essential luxury but refuses to haul excess dead weight. If you want an heirloom mantle piece to show off at a dinner party, look elsewhere; this is a pure field tool. The 100 ml version suits solitary day hikers who only need a single evening nip, while the 200 ml model hits the sweet spot for a long weekend off grid. It is built for anyone tired of drinking spirits contaminated by plastic liners or metallic leaching, yet unwilling to drop boutique prices on bespoke specialty outdoor gear.
Materials and Architecture
Keith uses food-grade titanium stamped into a traditional curved silhouette, then seam-welds the perimeter cleanly. The matte blasted finish provides enough grip when wet without snagging on pocket interiors. Inside, the metal remains bare, meaning no epoxy coatings will peel or degrade when exposed to high-proof alcohol over years of use. The kidney curve lets it wrap comfortably against a thigh or ribcage inside a jacket pocket. While the walls are kept exceptionally thin to shave grams, the structural curves stiffen the overall body against compressive crushing forces inside a tightly cinched backpack.
Cap and Seal Reliability
A flask lives or dies by its closure, and Keith keeps the design simple with a direct threaded titanium cap cushioned by a silicone O-ring. When seated properly, the seal is utterly watertight, even through air pressure swings and rough trail vibration. However, titanium-on-titanium threads are notoriously dry and can produce a faint grit or squeak during twist-off. You must align the cap carefully before turning down hard to prevent cross-threading the fine pitch. Taking two extra seconds to guide the threads by hand guarantees a dead-tight seal that keeps liquor off your insulation.
Trail Manners and Packability
In a chest pocket or hip belt pouch, the flask virtually disappears. Steel flasks of identical volume often weigh twice as much empty, making the Keith version feel almost insubstantial until filled. The narrow mouth helps control your pour when drinking directly from the vessel in shivering wind, but that same narrow neck makes funnel-free filling practically impossible. Fortunately, the included titanium funnel works seamlessly and weighs next to nothing. You will want to tether the cap or keep a firm grip on it in the dark, as the lid is unattached to save bulk and can roll away into brush if dropped.
Durability and Field Realities
Titanium will not rust, pit, or weaken when exposed to moisture, mountain weather, or corrosive spirits. You can leave scotch inside this vessel for weeks without imparting a dark, tinny taint to the liquid. That said, thin titanium sheet can take shallow dents if it sustains a sharp, focused impact against granite or hard trekking pole hardware. These cosmetic scars do not compromise containment, but they add trail patina quickly. Rinse it with warm water between uses, let it air dry completely with the cap removed, and the flask will easily outlast your trekking boots.
How we chose
We compared widely available titanium flasks using maker specifications, retailer listings and published reviews, then ranked 10 against the same criteria below. This is desk research unless a pick is marked field tested. Rankings are editorial. No brand pays for placement, and affiliate links never move a pick up or down.
- Real-world durability
- How the material, stitching, or steel holds up after a season of hard use — not how it looks new.
- Performance in bad conditions
- Wind, rain, cold, and grit are the test. Anything that only works on a nice day gets marked down.
- Weight and packability
- Every ounce has to earn its place in the pack, but not at the cost of something that fails in the field.
- Ease of use
- Setup, adjustment, and maintenance with cold hands, in the dark, without the manual.
- Value at its price point
- Compared against the closest competitors in the same tier, not against cheaper gear in a different class.
- Repairability and support
- Field-fixable design, available parts, and a warranty the maker actually honors.
Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306) — frequently asked questions
- Is the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306) worth it?
- We rank it #9 in Titanium Flasks. Best small pocket flask from a big titanium maker.
- What is the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306) best for?
- Best for ultralight summit celebrations, discreet winter coat pocket carry, multi-day alpine backpacking trips and cold-weather fly fishing outings. Standouts: chemically inert titanium preserves liquor flavor indefinitely and ergonomic kidney shape carries comfortably against the body.
- What are the downsides of the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306)?
- Detached screw cap is easy to misplace around camp at night, Fine titanium threads require deliberate alignment to avoid cross-threading and Narrow spout makes filling impossible without the funnel.
- What are the key specs of the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306)?
- Material: Grade 1 uncoated titanium · Capacities: 100 ml (3.4 fl oz) / 200 ml (6.8 fl oz) · Empty Weight: Approx. 63g (100 ml) / 88g (200 ml) · Included Extras: Titanium fill funnel · Seal Type: Food-grade silicone gasket
- Who It Is For?
- This flask targets the backpacker, hunter, or backcountry angler who considers a sip of high-proof whiskey an essential luxury but refuses to haul excess dead weight. If you want an heirloom mantle piece to show off at a dinner party, look elsewhere; this is a pure field tool.
- Materials and Architecture — what should I know about the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306)?
- Keith uses food-grade titanium stamped into a traditional curved silhouette, then seam-welds the perimeter cleanly. The matte blasted finish provides enough grip when wet without snagging on pocket interiors.
Compare side by side
Put the Titanium Pocket Flask with Funnel, 200 ml / 100 ml (Ti9307 / Ti9306) against any other pick on this list — specs, price, pros, cons and reader ratings.


