Sea to Summit – Traverse TvIII Sleeping Bag

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NPR29,110

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The Sea to Summit Traverse TVIII Sleeping Bag is designed for multi-season comfort and durability. Filled with premium down insulation, it offers excellent warmth-to-weight ratio while remaining lightweight and compressible for easy packing.

Whether you hike through snow to sleep in an alpine hut or camp out after a summer storm, the Traverse™ won’t let you down. Our unique WaveLoft™ construction uses thick layers of THERMOLITE® insulation looped together to gain extra loft and trap pockets of warm air, providing increased warmth in colder conditions. The baffle construction also eliminates the frustration of getting tangled in loose lining as all lining fabrics are attached to the shell fabric.

The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple ventilation options when it’s not. The half zip on the right side of the bag provides freedom of movement for both arms, additional ventilation and means the top third of the bag can be folded down as a mini quilt. The full length, two-way left side zip and separate foot zip transforms the bag into a full quilt for when the mercury climbs higher than expected.

Key Features

✔ Triple-Zip Ventilation System – Features full-length left-side zip, half-length right-side zip, and separate foot zip for customizable airflow and quick conversion into a quilt in warmer conditions

✔ WaveLoft™ Insulation – Proprietary THERMOLITE® synthetic fill with hollow-core fibers for high loft, wet-weather performance, and superior compressibility

✔ Roomy Tapered Rectangular Shape – Wider cut than traditional mummy bags for extra space (max width: 64.5cm) and an anatomically shaped footbox

✔ Durable & Lightweight – 30D DWR nylon shell and 20D nylon lining resist abrasion and moisture while weighing 1.44kg (Regular) / 1.67kg (Long)

✔ EN 13537 Certified – Comfort rating: -4°C, Lower limit: -10°C, and Extreme: -28°C—ideal for 3–4 seasons

✔ Included 70D Compression Sack – Reduces packed size to 37x20cm (Regular) for easy transport

Traverse TvIII Sleeping Bag Technical Specifications

Materials: Shell/Lining: 100% polyamide; Insulation: 100% polyester
Dimensions (Regular): 183cm length, 64.5cm shoulder width
Weight: 1.44kg (Regular), 1.67kg (Long)
Packed Size: 37x20cm (Regular)
Certifications: EN 13537, CE

User Benefits

“Adapts to any weather” – Triple zips allow quilt mode for summer or sealed cocoon for winter
“No tangles, no cold spots” – Lining attached to shell prevents insulation shift
“Survives wet conditions” – Synthetic insulation retains warmth when damp

Weight	1.44 kg
Dimensions	183 cm
Size	Regular
Comfort Temperature	-4°C
Extreme Temperature	-28°C

Brand

Sea to Summit

Buy Sea to Summit outdoor gear online in Nepal at Makalu e-Traders! Ultralight tents, sleeping bags, dry packs & camp kitchens for trekking, climbing, and expeditions.