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DIMENSIONS
48 cm x 24 cm x 21 cm (H x W x D)
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VOLUME
22 L
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WEIGHT
640 g
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LAPTOP POCKET
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Millet Seneca LT 22 – The Honest, Comfortable Day Hiking Backpack in Recycled Ripstop (640 g)
A familiar trail, a long gentle ridge, the kind of day where the objective isn't the summit but the walk itself. The Millet Seneca LT 22 was built for exactly that kind of outing — a lightweight, well-organized hiking backpack that does its job so well you forget it's there, made in 100 % recycled polyester ripstop for people who care about what the pack is actually made of.
Its strength isn't a clever feature — it's what's not there. No over-engineering, no pockets you'll never use, no gimmick. Just a classic top-loading hiking pack with the right number of pockets in the right places, a carry system designed around real comfort, and a construction chosen for durability and lower impact at once.
At 640 g for 22 litres, with a 46 cm back length and a molded thermoformed EVA foam back panel, it carries light and breathes well across long days. The Recycled PES 200D Mini Square Ripstop main fabric (1,000 mm waterproof, PFC-free DWR) and Recycled PES 250D lining bring total recycled content to at least 33 % — a real hiking pack, made properly.


What Makes the Real Difference on Long Days
The Seneca LT 22 focuses on the three things that actually matter on a hiking day: carry comfort, smart organization and honest construction. No extras, no noise — just the details that quietly make long outings easier.
- 🌬️ Thermoformed EVA foam back panel – ventilation and shape that hold up all day.
- 🎒 Ventilated ergonomic shoulder straps – breathable, padded, comfortable under load.
- 📦 Compressible front compartment – stash a damp layer or tighten the load on the go.
- 💧 Hydration bladder compartment – dedicated sleeve, clean tube routing.
- 🍶 Shoulder strap flask holder – drink on the move without stopping.
- ♻️ 100 % recycled polyester ripstop – ≥ 33 % total recycled content.
The organization is classic and logical: top-loading main compartment with a compression cord, two stretch side mesh pockets for bottles and quick items, a zippered hip belt pocket on the breathable belt, a separate zip pocket with key attachment, plus trekking pole holders and gear loops for the kit you actually carry. Two side compression straps stabilize the load when it's half-full, and the reflective details and carry handle round out a pack that's been thought through end to end.
Who This Backpack Is For
The Seneca LT 22 is for hikers who want a comfortable, well-built daypack that simply works — and who care that it's made from recycled materials chosen for durability, not just for the spec sheet.
- You hike for the hike — not chasing grams, not chasing speed, chasing the walk itself.
- You value ventilation and comfort — long days deserve a back panel that breathes.
- You want honest materials — recycled polyester ripstop, PFC-free DWR, nothing hidden.
- You want simple organization — top loader, clear pockets, no buried complexity.
If you want a highly technical pack for alpinism, ski touring or speed hiking, a mountain-specific model like the MIXT 25+5L or a minimalist like the MIXT 15 will serve you better. But for day hiking, gentle treks and multi-activity outings — the kind of hiking that made you love hiking in the first place — the Seneca LT 22 is exactly what it should be: comfortable, capable and honestly made.

Technical Specifications
General Information
- Brand: Millet
- Reference: MIS2499
- Volume: 22 L
- Weight: 640 g
- Back length: 46 cm
- Dimensions: 48 x 24 x 21 cm (H x W x D)
- Activities: Hiking • Multi-activity
Materials & Protection
- Main fabric: Recycled PES 200D Mini Square Ripstop (100 % recycled polyester)
- Lining: Recycled PES 250D (100 % recycled polyester)
- Water resistance: 1,000 mm
- Treatment: PFC-free DWR
- Recycled content: ≥ 33 %
Comfort & Carry
- Thermoformed EVA foam back panel
- Ventilated ergonomic shoulder straps
- Shoulder strap flask holder
- Breathable hip belt with zip pocket
- Adjustable chest strap
- 2 side compression straps
- Carry handle
Organization & Attachments
- Top-loading main compartment
- Compressible front compartment
- 2 stretch side mesh pockets
- Zip pocket with key hook
- Hydration bladder compartment
- Gear loops + trekking pole holders
- Compression cord
- Reflective details
Millet's Commitments — On Every Product
These three commitments apply to the entire Millet range, not just this pack. They're part of what it means to choose Millet.
- 🧪 Free from controversial chemicals — materials meet strict criteria to exclude substances flagged as harmful to health or the environment.
- 🔬 Lab-tested and validated materials — every fabric is verified in laboratory conditions before it reaches production.
- 🧵 Repairable in Millet's own workshop — when the years catch up with your pack, it can be serviced and repaired instead of replaced.
FAQ
Yes, 22L is a classic day hiking volume: room for a 1.5–2 L hydration bladder, a light shell, an insulation layer, lunch, a first-aid kit, a hat, gloves and accessories. Not so much that you're tempted to overpack, not so little that you'll have to leave essentials behind.
The thermoformed EVA foam back panel creates airflow channels between the pack and your back, which reduces heat buildup and sweat on warm days. It also holds shape so the load sits consistently instead of collapsing into your lower back — a real comfort difference on long outings, especially when the pack is only half-full.
The main fabric is a Recycled PES 200D Mini Square Ripstop, made from 100 % recycled polyester — typically from post-consumer PET bottles — woven in a ripstop grid that contains small tears and stops them from spreading. The lining is also recycled polyester. Total recycled content: at least 33 % by weight. You get a durable, repairable-by-nature ripstop fabric and a lower impact at the raw material stage.
Yes. The Seneca LT 22 includes dedicated trekking pole holders, gear loops and a compression cord for external attachment. The compressible front compartment is also ideal for stashing a damp shell or a layer you shed on the climb, without opening the main compartment.
Yes — the Seneca LT 22 has a dedicated hydration bladder compartment with clean tube routing. For those who prefer bottles, the shoulder strap flask holder lets you drink without taking the pack off, and the two side mesh pockets fit standard bottles or soft flasks.
Yes — both the main fabric and the lining carry a 1,000 mm water resistance rating and a PFC-free DWR treatment, which handles dew, light rain and morning moisture well. For sustained heavy rain, a separate rain cover or internal waterproof pouches for sensitive items is the right call.
Hand wash at a maximum of 40 °C with mild, non-aggressive soap, rinse well and air dry completely before storing. Brush off trail dirt instead of soaking the pack. Avoid tumble drying, bleach, ironing and dry cleaning. Re-proof the DWR periodically with a PFC-free spray to keep the water repellency working.