The Sea to Summit Expander Travel sleeping bag liner is designed for superior comfort thanks to its premium polycotton stretch fabric. Warmer than a standard cotton liner, it naturally moves with you while you sleep to reduce the feeling of tangles. Versatile and durable, it improves both the hygiene and longevity of your sleeping bag, in all seasons.
Main features
-
Stretchable sleeping bag liner for added comfort
-
Knitted polycotton fabric that is warmer than standard cotton
-
High elasticity to follow body movements
-
Long-lasting antimicrobial odor treatment
-
Non-nano treatment, EPA certified
-
Suitable for all-season use
Materials
-
Main fabric: stretch knit polycotton
-
Filling: cotton
Strengths
✔️ Maximum stretch for unrestricted sleep
✔️ Extra warmth compared to regular cotton sheets
✔️ Odor reduction thanks to permanent antimicrobial treatment
✔️ Lasting comfort even during prolonged use
✔️ Respects the skin with a nanoparticle-free treatment
✔️ Effective protection for the sleeping bag
✔️ Controlled weight of approximately 300g
✔️ Suitable for all seasons
Expander sleeping bag liner – Mummy with hood
The measurements presented are for guidance only.
How to choose the right size
User Height: Measure your full height, barefoot, in an upright position.
Usage: Choose the snuggest possible size to optimize comfort, insulation, and weight.
Sleeping Bag Sizes
| Size | Recommended User Height | Internal Bag Length |
|---|---|---|
| Short | Up to 170 cm | 185 cm |
| Regular | Up to 183 cm | 198 cm |
| Long | Up to 198 cm | 213 cm |
Sleeping Mat Dimensions
| Size | Length | Width |
|---|---|---|
| Short | 168 cm | 55 cm |
| Regular | 183 cm | 55 cm |
| Large | 198 cm | 64 cm |
| Rectangular Regular | 183 cm | 64 cm |
| Rectangular Large | 198 cm | 64 cm |
Sleeping Pads
| Size | Length (cm) | Width (cm) |
|---|---|---|
| Short | 168 | 55 |
| Regular | 183 | 55 |
| Large | 198 | 64 |
| Rectangular Regular | 183 | 64 |
| Rectangular Large | 198 | 64 |
Sleeping Pad Thicknesses
| Range | Thickness (cm) | Comfort | Recommended Use |
|---|---|---|---|
| Ultralight | 5 | Minimal | Ultralight, fastpacking, fast hiking |
| Camp / Lightweight | 5 – 7.5 | Good | Hiking, trekking |
| Ether Light | 10 | Very High | Camping, comfortable trek, side sleepers |
| Comfort Plus | 6.3 (double layer) | High + Safety | Camping, expeditions, air redundancy |
| Comfort Deluxe | 10 | Maximum | Camping, van life, comfort prioritized |
| Self-Inflating | 3.8 – 7.5 | Variable | Camping, versatile use |
Why this price?
- Samples and overstock from major brands
- New products
- Limited quantities – no restock
The Sea to Summit Expander Travel sleeping bag liner is designed for superior comfort thanks to its premium polycotton stretch fabric. Warmer than a standard cotton liner, it naturally moves with you while you sleep to reduce the feeling of tangles. Versatile and durable, it improves both the hygiene and longevity of your sleeping bag, in all seasons.
Main features
-
Stretchable sleeping bag liner for added comfort
-
Knitted polycotton fabric that is warmer than standard cotton
-
High elasticity to follow body movements
-
Long-lasting antimicrobial odor treatment
-
Non-nano treatment, EPA certified
-
Suitable for all-season use
Materials
-
Main fabric: stretch knit polycotton
-
Filling: cotton
Strengths
✔️ Maximum stretch for unrestricted sleep
✔️ Extra warmth compared to regular cotton sheets
✔️ Odor reduction thanks to permanent antimicrobial treatment
✔️ Lasting comfort even during prolonged use
✔️ Respects the skin with a nanoparticle-free treatment
✔️ Effective protection for the sleeping bag
✔️ Controlled weight of approximately 300g
✔️ Suitable for all seasons
