Indoor

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Engineered for women to provide extra warmth where needed in a classic tapered rectangular down bag for comfort, versatility and value. Traditional comfort and value, with an anything but traditional design approach, the Journey Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Whether you’re sleeping in hostels throughout Europe, backpacking South America or hut camping the Bibbulmun Track in Western Australia, the Journey bag’s classic tapered rectangular...

Traditional comfort and value, with an anything but traditional design approach, the Journey Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Whether you’re sleeping in hostels throughout Europe, backpacking South America or hut camping the Bibbulmun Track in Western Australia, the Journey bag’s classic tapered rectangular shape combined with 650+ Loft ULTRA-DRY Down provides compressible comfort and warmth. The Journey also features extra down overall,...

Traditional comfort and value, with an anything but traditional design approach, the Journey Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Whether you’re sleeping in hostels throughout Europe, backpacking South America or hut camping the Bibbulmun Track in Western Australia, the Journey bag’s classic tapered rectangular shape combined with 650+ Loft ULTRA-DRY Down provides compressible comfort and warmth. The Journey also features extra down overall,...

Small and light yet warm and lofty 750+ down, the Traveller is your couch-surfing comrade. The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain...

The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain maximum warmth when needed and allow for streamlined simplicity in cooler climes. Suggested...

The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain maximum warmth when needed and allow for streamlined simplicity in cooler climes. Suggested...

The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain maximum warmth when needed and allow for streamlined simplicity in cooler climes. Suggested...

The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain maximum warmth when needed and allow for streamlined simplicity in cooler climes. Suggested...

The ultimate choice for your Camino pilgrimage, round-the-world adventure or keeping warm on a plane, the Traveller provides adaptable warmth in a tiny packed size. Ultra-light 15D Nylon fabrics and 750+ ULTRA-DRY Down combine to minimise weight and packed size while providing lofty warmth that resists the insulation sapping effects of moisture. Shoulder and foot drawcords cinch the bag tight to retain maximum warmth when needed and allow for streamlined simplicity in cooler climes. Suggested...

Traditional comfort and value, with an anything but traditional design approach, the Trek Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation. Suggested use: Trekking/Hiking,...

Traditional comfort and value, with an anything but traditional design approach, the Trek Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation.Suggested use: Trekking/Hiking,...

Traditional comfort and value, with an anything but traditional design approach, the Trek Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation.Suggested use: Trekking/Hiking,...

Traditional comfort and value, with an anything but traditional design approach, the Trek Series sleeping bags are what STS grab for globe-trotting adventures on a budget. Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation.Suggested use: Trekking/Hiking,...

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Ultra-light and technical, the Flame Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Flame Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Travel, Adventure racing, Summer cycle touring, Liner bag, Ultra lightweight Trekking/ Hiking, Ultra lightweight...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Travel, Adventure racing, Summer cycle touring, Liner bag, Ultra lightweight Trekking/ Hiking, Ultra lightweight...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Travel, Adventure racing, Summer cycle touring, Liner bag, Ultra lightweight Trekking/ Hiking, Ultra lightweight...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Cycle touring, ultra-light hiking, adventure racingSeason Ratings : Indoor/Summer/Spring The secret to the...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Cycle touring, ultra-light hiking, adventure racingSeason Ratings : Indoor/Summer/Spring The secret to the...

Ultra-light and technical, the Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible.  Suggested use : Cycle touring, ultra-light hiking, adventure racingSeason Ratings : Indoor/Summer/Spring The secret to the...

The THERMOLITE® Reactor Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner. If your adventures take you to colder climates, the Reactor Extreme will add plenty of warmth to a sleeping bag. Plus in warmer weather, it can be used as a ‘stand alone’ sleeping bag. The hollow core fibres of the THERMOLITE® fabric work like a polar bear's fur and, along with the knitted structure, trap plenty of insulating air. Super soft and amazingly stretchy, the Reactor Extreme uses a heavier...

The Reactor Compact Plus can increase sleeping bag performance by up to 11°C using dual-weight Thermolite fabric. The regular 80g/m² material is combined with panels of 110g/m² Thermolite fabric in the core body and foot box areas, adding additional warmth where it has the most benefit. The ergonomic mummy design also shaves off any excess weight, making this liner ideal for gram counters under 6 feet tall. Product Features: Adds up to 11°C / 20°F of warmth to a sleeping bagDual fabric weight...

This warming sleep liner increases sleeping bag performance by up to 8°C (14°F) with 80g/m² Thermolite fabric. Ideal as part of a cold climate sleep system, or as a standalone bag in warm weather. The Reactor is made from the lightest weight Thermolite fibre. Product Features: Adds warmth to a sleeping bag Mummy shape with a box foot Draw cord hood with mini cord lock Packs into its own UltraSil stuff sack Lighter in weight, more packable than fleece ...

Add a season to your sleeping bag with this lightweight microfleece liner. The Toaster also makes a great lightweight sleeping bag for warmer temperatures (such as hut trips) or for conditions where a conventional insulation may become damaged such as desert camping or summer river trips. Comes packaged in a nylon stuff sac. Product Features: Thermal fleece dries quickly, ideal for use in wet environments Mummy shape with a box foot Contoured hood with elastic draw cord Zippered opening Comes...