Anti-Snag Zip-System

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

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,...

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,...

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,...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

Light, warm, comfortable and most importantly, adaptable. The Ascent is the STS sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, the Ascent Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple...

The Alpine Series combines STS most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down. Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary....

The Alpine Series combines STS most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down. Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary....

The Alpine Series combines STS most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down. Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary....

The Alpine Series combines STS most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down. Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary....

The Alpine Series combines STS most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down. Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary....