Sea To Summit's Traverse Xt II is their most versatile bag, designed for a broad range of activities in a variety of environments, filled with 850+ Loft European Goose Down protected by 3D NanoShell™ Fabric. Designed with a relaxed mummy shape, the Traverse series offers comfort in the widest range of temperatures. With the ability to be opened out into a full duvet when sleeping in huts and zippered up for winter camping in sub zero conditions the Traverse series can be used all year round. The oversized neck-collar and hood-seal, keep drafts out, minimizing heat loss around the face. The oversized zipper draft tube is fitted with the lightest and stiffest anti-snag material, for smooth operation. A security pocket located inside the bag is easily accessible, ideal for stowing electronics to preserve battery performance in extreme cold. Using a side block baffle construction to maintain a 60/40 fill ratio more down is located in the top of the bag for maximum insulation. The soft touch lining fabric is down proof by construction and highly breathable offering a comfortable sleep.

NanoShell™ Face 3D System. This face fabric is a high-density weave, 20 denier polyester ripstop with a Nano DWR finish. The Nano DWR is a surface treatment that makes the fabric extremely water repellent, without compromising breathability. Nano DWR is much more durable than standard DWR as it uses nano sized particles of water repellent to treat the fabric. These very small particles can attach to the fabric fibres in much greater quantity and adhere better, therefore lasting longer.

Lining 850+ Loft Series. The lining fabric of the 850+ series is a high-density weave, 20 denier polyester with a cire finish and soft touch hand feel. This material is breathable, light and incredibly durable for its weight.

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