Watercell ST 6L
- In stock, ready to ship
- Backordered, shipping soon

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 |
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
Why this price?
- Samples and overstock from major brands
- New products
- Limited quantities – no restock
The Sea to Summit Watercell ST 6L is a compact and durable water reservoir designed for adventurers who need a lightweight and reliable solution for carrying water during their outdoor activities. This 6-litre model is perfect for short to medium-length outings where space and lightness are at a premium.
Features :
- Capacity: 6 liters, offering a good compromise between capacity and compactness, ideal for hiking, camping or multi-day trips.
- Material: Durable, BPA-free PVC, designed to withstand outdoor conditions while being lightweight and flexible.
- Compact Design: Rolls up easily for convenient, space-saving storage in your backpack when not in use.
- Large screw cap: Makes it easy to fill and empty the tank, while ensuring quick access to water.
- Ruggedness: Built to withstand harsh conditions, this tank can withstand the rigors of your outdoor adventures.
- Weight: Slightly lighter than larger capacity models, for easy transport without compromising water capacity.
- Compact dimensions: Although it has a capacity of 6L, it takes up little space when empty, making it easy to store in your bag.
Benefits :
- Ideal capacity for short to medium trips : The Watercell ST 6L is perfect for hikers and campers who do not need a larger reservoir, while still ensuring an adequate water supply.
- Lightweight and compact : Easy to transport and store thanks to its lightweight and flexible design, this tank adds little weight to your equipment.
- Durability and resistance : Made of durable materials, it can withstand outdoor use without easily deteriorating.
- Easy to fill and use : The large screw cap makes it easy to fill the tank, even in harsh outdoor conditions.