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5.0 4

Sea to Summit

Latitude LtII Sleeping Bag

From $409.90
or 4 easy payments of $102.48 with

Delivery estimate to:

Pickup from our store

92 Richmond Rd, Keswick SA Mon - Fri: 9am - 5.30pm
Sat: 9am - 5pm
Sun: 12pm - 5pm
17 Doherty St, Brendale QLD Mon - Fri: 9am - 5.30pm
Sat: 9am - 5pm
Sun: 9.30am - 2.30pm

What if there was a sleeping bag that offered warmth in extreme climate teamed up with features that made it comfortable on a family camping holiday? Well look no further, the Sea To Summit Latitude LtII is a tapered and efficient bag that offers extra room around the chest and feet, and a full length zip so you can open it right out in mild conditions.

A differential cut construction combined with offset baffles and a tapered roomy foot section provide an amazing balance of warmth and comfort, all at just over 1kg. Nothing has been left out in the interest of saving weight, draft tube, neck baffle, three dimensional hood and draw-cords to keep the warmth in, the Latitude is a fully featured bag.

They’ve even included an internal zippered accessory pocket! Once compressed the Latitude takes up a miniscule 7.5L of volume in your pack and comes with a laundry bag/storage cell for when your adventure is over. So you don’t need a bag for each season, with the Sea To Summit Latitude LtII you have a sleeping bag for every season.

  • Tapered rectangular shape
  • 60 top / 40 bottom down distribution
  • Roomy chest and foot sections
  • Full length side and foot zip
  • Can be opened to full duvet
Snowys Code:
Supplier Code:
Comfort Temp. Rating:
-3 °C
Lower Temp. Limit:
-9 °C
Fill Ratio Top/Bottom:
60 / 40
Max. User Height:
183 cm
Internal Girth:
155 cm Chest | 140 cm Hip | 110 cm Foot
External Dimensions:
203L x 70W x 7H cm
Packed Dimensions:
32.5L x 17W x 17H cm
Compressed Volume:
7.7 L
2D NanoShell™ 20D Nylon with DWR
Fill Material:
750+ Loft 90/10 ULTRA-DRY™ Premium Duck Down
Fill Weight:
550 g
20D Nylon
Zip Draft Tube:
Neck Draft Tube:
With dual elastic adjustment
Dual YKK #5
1.09 Kg
Suggested Use:
Hiking | Trekking
Limited Lifetime
5.0 4
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1 star
Oct 05 2017

Good bag

Would recommend this bag. But not to minus 9. Comfortable to about minus 2 for me.

- Canberra
Aug 12 2017

Great bag and delivered quickly

First impression is awesome. I am large frame male and this bag offers room but also snug. Packs down small and included sack works well. Great sleep, lightweight and highly recommended. Thanks Snowys for great customer service also.

- Toowoomba QLD
Jul 14 2017

Cosy warm and light weight

Bought this bag to go on a multi-day hike through central NSW in the middle of winter and it was awesome! Light weight, compressed to a good size to carry in a hiking pack and was toasty warm even on a -8 degree night! (albeit we were inside a tin hut on camp stretchers rather than outside). Super impressed!

- Brisbane
Feb 17 2017

Excellent featured bag for larger man

This is a prelim rating. Not used in anger yet (bad conditions). But the size, weight and features of this bag are very good. Great size and weight for larger person to still be comfortable. Packs into extremely small bag for its size. Weight is very good for bag size. Hard to pack really, but it does. The outer material is quite tough, and no doubt water resistant. The loft in the bag is great, thats where it really impresses. Loft means warmth, and this defies gravity. Great make and design with zips/ size etc. Will review again after angry cold trip away. Great product though. Recommend.

- SA

Bags zipping together1 answer

If we want to order 2 bags that zip together, do we order a right zip and a left zip?

- Griffith, ACT (2 months ago)

G'day Libby,

You would, however, please note that the Sea to Summit Down Sleeping Bags have been designed to not be zipped together due to their design and shape, as it becomes quite uncomfortable to sleep in when joined together.

- Snowys(1 month ago)

Sleeping bag liner for my Lattitude LTII bag1 answer

Wanting a sleeping bag liner to use with my Latitude LTII reg, more for protecting the bag rather than extra warmth. Will be using the bag for both hut based hiking in NZ and tent hiking both mountains and coastal in OZ. Of the three STS silk liners what would you suggest?

- Cobram(4 months ago)

G'day Nerida,

Great question. An ideal option for you to consider would be the Sea to Summit Silk Travel Tapered Mummy Liner which is available here.

- Snowys(4 months ago)

Zip draft tube1 answer

Hi, I was just curious if there really is a zip draft tube on this bag? I saw one in a shop and was pretty sure there wasn't one. Am asking because I've seen a few comments about drafts on a few STS bag models

- Hobart(6 months ago)

G'day Tonks, 

I've just had a look at our display model, and there is definitely a draft tube that covers the zip on the inside of the Latitude sleeping bag. When it's zipped up if you run your hand inside the bag you can feel it covering the inside of the zip. 

It does look quite inconspicuous when you open up the bag as it blends in, so I can see why you may have missed it!

- Snowys(6 months ago)

Latitude vs Trek sleeping bag1 answer

My son is going to Nepal to Anapurna base camp and needs a minus 10 bag. What is the difference between the Latitude II (minus 9) and the Trek III (minus 11)? Would either be equally suitable? Thanks

- Hampton(8 months ago)

G'day Sarah, 

The Latitude II Has a higher volume of down at 750 compared to 650 for the Trek, and is slightly also lighter, with a smaller packed size compared to the Trek III.

We would actually recommend going for a Latitude LtIII which has a comfort temperature limit of -10 and lower temperature limit of -17. 

This is because you want to make sure the lower minimum temperature rating is comfortably lower than the lowest temperature you will potentially experience. It’s better to be cautious when it comes to temperature ratings in very cold conditions, as you can always unzip if you are too warm, but if you're too cold there's not much you can do. 

Also, with any down bag we would recommend adding a liner as well, as it’ll extend the life of the bag and also add to warmth and overall comfort. If you have any further questions, please don’t hesitate to give us a call. 

- Snowys(8 months ago)

Latitude sleeping bag1 answer

Hello, can you please tell me if the Latitude sleeping bag opens out so it can be used as a doona?

- Sydney(9 months ago)

G'day Ingrid,

The Latitude has a full length zip that meets a foot zip so when you undo both of them you can use it like a doona yes.

- Snowys(9 months ago)

What's the difference between the latitude and talus ? Only difference I can see in the specs is the talus is a mummy shape and packs alittle smaller and lighter .1 answer


- Vic(10 months ago)

G'day Will, 

The differences between the Latitude and Talus range indeed what you've mentioned, as well as the different comfort temperature rating and lower temperature rating.

The Latitude is designed to be a little more versatile, whereas the Talus is more of a traditional mummy style bag - so if you prefer more room to move around, the Latitude would be your best bet. 

- Snowys(10 months ago)

Any flexibility in the user max. height limit?1 answer

I am 184cm and the Regular length is shown as suitable for sleepers up to 183cm. Will that extra 1cm really mean I need the Long (which weighs an extra 110g)?

- Beaconsfield(12 months ago)

Hi Craig,

The Latitude has a tapered foot box, so I think a centimetre won’t matter too much as there is a bit of space to move but it really depends on what you’re going to be comfortable with. If you like a bit more room then maybe size up, but if you prefer a snug bag then the regular might be the better option. 

- Snowys(12 months ago)

Hi, I cannot decide which bag to buy, Latitude Lt2 or Lt3, I am planning on camping in Victoria, mainly during spring and Autumn. 1 answer

I am a cold sleeper normally, but don't have too much experience with sleeping bag temperature ratings. Any suggestions?

- Melbourne(1 year ago)

Hi Jason, sleeping bag ratings are more of a guide than a firm rule, it very much depends on the individual. You may find the Lt3 bag too hot on most nights, so I'd recommend the Lt2 for spring and autumn conditions in Victoria. This should see the average person sleeping comfortably down to about -3 °C. You can then scale the comfort of this bag with the addition of sleep liners, thermal clothing and if it's really cold, a hot chocolate before you climb into bed, this will get your metabolism going and generate more heat inside the bag. It's also important to note that you should use an insulated sleeping mat, even the warmest bag will not insulate well if the user is sleeping on a mat that does not insulate against the cold ground. It's not an easy decision, give us a call on 1300 914 007 if you would like to talk to one of our team about this in more detail.

- Snowys(1 year ago)
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