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Description
Prolighter 22LMillet Prolighter 22L The Lightweight Summer Alpinism Backpack (630 g) You leave the hut in the dark, headlamp burning, the glacier going from black to blue as you gain height toward the ridge and for the next few hours you want to think about the line above and nothing else. On a summit day every gram you carry up you carry back down, so the pack has to earn its place and then get out of the way. The Millet Prolighter 22L is built for exactly that: a
Millet Prolighter 22L - The Lightweight Summer Alpinism Backpack (630 g)
You leave the hut in the dark, headlamp burning, the glacier going from black to blue as you gain height toward the ridge - and for the next few hours you want to think about the line above and nothing else. On a summit day every gram you carry up you carry back down, so the pack has to earn its place and then get out of the way. The Millet Prolighter 22L is built for exactly that: a 630-gram alpine day pack stripped to what a summer ascent actually needs, with ice-axe and ski carry, a frame that hugs your back, and not one buckle past what a summit day asks for.
Its whole design is in service of moving light and fast. A side ski carry and Millet's FPP™ ice-axe attachment hold your tools securely without flapping, a removable hip belt lets you ditch grams once the load is light, an extensible mesh side pocket and a front zip pocket keep skins, a bar or a topo within reach, and a hydration sleeve so you sip on the move instead of stopping on exposed ground. Narrow and close to the back, it stays out of the way on a scramble - which on exposed rock is exactly the point.
The fabric does the heavy lifting: a PA 210D Honeycomb Robic ripstop chosen for strength-to-weight, so 630 grams never means flimsy, reinforced with Recycled PES 600D over a Recycled PES 250D lining and water-repellent to 1,000 mm. At least 20 % recycled content by weight. The grams came out of the feature list, not the cloth - and behind the pack is a house that has built alpine kit in Annecy since 1921 and still repairs it in its own workshop. A light pack you keep, not one you replace.
What Makes the Real Difference on the Mountain
The Prolighter 22L doesn't try to be a do-everything pack. It commits to one thing - carrying a light alpine kit fast and stable - and cuts everything that doesn't serve that.
- 🪶 Only 630 g: seriously light for a pack with real ski and ice-axe carry, without feeling flimsy.
- ⛏️ FPP™ ice-axe carry: holds axes securely, easy to deploy with gloves on.
- 🎿 Side ski carry: a real attachment for spring couloirs and ski approaches.
- 🎒 Removable hip belt: keep it for support, strip it to save weight.
- 💧 Hydration compatible: bladder sleeve to drink without stopping.
- 🧗 Narrow, stable body: stays out of the way on scrambles and steep ground.
Access is deliberately simple: a zip-and-clip top closure opens the main compartment fast, a front zip pocket takes the small essentials, and an extensible mesh side pocket stretches around a water bottle or a stowed layer. An adjustable chest strap, ergonomic shoulder straps and load-lifter adjustment pull the weight in close, and a key clip means you never dig for them at the trailhead. Nothing extra, nothing missing for an alpine day.
Who This Backpack Is For
The Prolighter 22L is for people who count grams because they climb - summer alpinists, scramblers and ski mountaineers who want a pack that carries the tools and then gets out of the way.
- You move fast and light - summit days, glacier approaches, alpine scrambles, spring ski lines.
- You carry technical tools - ice axe, skis, a light rope, with attachments that actually hold them.
- You want a pack you forget you're wearing - narrow and close to the body, so it never swings out on a move.
- You value a clean design - simple access, the right pockets, a strippable hip belt, no dead weight.
It asks one honesty of you, though: this is a stripped pack. There's no integrated rain cover and no panel-style suitcase opening here - if you want a do-everything 4-season pack with built-in weather protection and big organized pockets, the UBIC 25L or UBIC 30L is the smarter buy. And if your alpine days run long or overnight, the bigger Prolighter 30+10L carries the same light-and-fast DNA with room to grow. But for a fast summer ascent where every gram counts, nothing gets out of your way like the Prolighter 22L. Part of the wider Millet backpack range we carry.
Technical Specifications
General Information
- Brand: Millet
- Reference: MIS2274
- Volume: 22 L
- Weight: 630 g
- Back length: 48 cm
- Dimensions: 50 x 28 x 18 cm (H x W x D)
- Activities: Mountaineering • Ski Mountaineering • Hiking
Materials & Protection
- Main fabric: PA 210D Honeycomb Robic (ripstop)
- Secondary: Recycled PES 600D (1,000 mm, DWR)
- Lining: Recycled PES 250D (1,000 mm, DWR)
- Treatment: Durable DWR water-repellent finish
- Recycled content: ≥ 20 %
Carry & Adjustments
- Ergonomic shoulder straps
- Adjustable chest strap
- Removable hip belt strap
- Load-lifter adjustment
- Close-fitting, stable body
Organization & Attachments
- Zip-and-clip top closure
- FPP™ ice-axe carry
- Side ski carry
- Front zip pocket
- Extensible mesh side pocket
- Hydration system compartment
- Key clip
FAQ
Through the fabric, not by cutting corners. The main body uses PA 210D Honeycomb Robic, a ripstop weave engineered for a high strength-to-weight ratio, reinforced at wear points with heavier Recycled PES 600D. The weight savings come from a stripped feature set and a minimal frame - not from thin, fragile cloth - so it holds up to rock, crampon points and ski edges on real alpine days.
FPP™ is Millet's dedicated ice-axe attachment system, designed to hold one or two axes securely against the pack without the head flapping around - and to let you deploy or stow a tool quickly, even with gloves on. Combined with the side ski carry, it makes the Prolighter 22L a genuine ski-mountaineering and alpine day pack rather than a hiking bag with a loop sewn on.
For a fast-and-light summer ascent, yes. 22 litres takes a light shell, an insulated layer, gloves, food, a 1.5 L bladder, harness and basic glacier kit, with the ice axe and skis carried outside. It's deliberately sized for moving efficiently on day missions - if you need to carry a rope, rack and bivvy gear for longer routes, step up to the Prolighter 30+10L.
No - and that's deliberate. The Prolighter 22L is a stripped alpine pack, so there's no integrated rain cover; the fabrics carry a 1,000 mm rating and a durable DWR finish that handle snow and showers, but for sustained rain you'd add a separate cover or a dry liner. If a built-in rain cover and full weather features matter more to you than grams, the UBIC 30L is the better-equipped choice.
Same light-and-fast philosophy, different scope. The Prolighter 22L (630 g) is a fixed-volume day pack for summit days and ski approaches. The Prolighter 30+10L (1,000 g) expands from 30 to 40 litres, adds a rope carry, a hauling handle and a more supportive carry system for multi-day alpine routes. Pick the 22L for fast days, the 30+10L when the route needs more kit.
Yes - the hip belt strap is removable. On a light summit day you can strip it to save weight and keep a buckle from sitting under your climbing harness; with the load held high and close to your back, 22 litres rides fine on the shoulders alone. Keep it on when you're carrying more or want extra stability on a long approach. A hydration sleeve sits inside either way, so you still drink without stopping.
A light alpine pack picks up rock dust, sun cream and sweat more than mud - wipe it down and let it dry fully before storing. Hand wash at no more than 40 °C with a mild soap if it needs more, and never tumble dry, bleach, iron or dry clean it, as that strips the DWR. Re-proof the finish occasionally, and because the Prolighter is built to be kept rather than swapped out, Millet repairs worn straps or seams in its own workshop instead of sending you for a new pack.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy