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Sea to Summit

Trek Tk II

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Sea to Summit - Trek Tk II

The Trek Tk II is one of Sea to Summit's most popular bags. It is cut broader than a mummy bag to give you room to move. The side and footbox zippers are great for ventilation and allow the bag to be opened and used as a quilt opening up a world of possibilities for travel and backpacking from warm to colder conditions.

Technical specifications & features

Weight REGULAR: 2 lbs 2 oz. (980 g)
REGULAR-WIDE: 2 lbs 7 oz. (1115 g)
LONG: 2 lbs 6 oz. (1090 g)
Gender Men's & Unisex
Temp Rating º F 18 F
Temp Rating º C -8 C
EN Comfort (Women's Rating) 30F (-1C)
Bag Style Semi-Rectangular
Seasonal Usage Three Season
Insulation ULTRA-DRY DOWN 650+ Loft, 85% Down Cluster, Premium RDS Certified Duck Down
Fill Weight REGULAR: 17.6 oz. (500 g)
REGULAR-WIDE: 1 lbs 4 oz. (575 g)
LONG: 19.4 oz. (550 g)
Bag Shell Material -- 30 Denier Shell Fabric for side wall
-- 2D PermaShell DWR fabric
Bag Lining Material 20 Denier soft touch lining
Bag Length REGULAR: 6 ft.
LONG: 6 ft 4 in.
Bag Stuff Size Compression Sack: Small - 10L to 3.3L
Compressed Volume: 6L
Circumference at Chest REGULAR: 60 in. (152 cm)
REGULAR-WIDE: 68 in. (172 cm)
LONG: 64 in. (162 cm)
Circumference at Hips REGULAR: 57 in. (146 cm)
REGULAR-WIDE: 63 in. (161 cm)
LONG: 62 in. (157 cm)
Circumference at Foot REGULAR: 40 in. (102 cm)
REGULAR-WIDE: 48 in. (122 cm)
LONG: 43 in. (108 cm)
Other Features • Side block baffle and differential cut shell with 3D side walls
• 60/40 fill ratio
• Oversized security pocket located inside the back
• Soft touch lining fabric is downproof by construction and highly breathable
• Tapered rectangular design offers a good compromise between the comfort of a generous cut and the warmth of a close fit
• Full length side and foot zip allows Trek Series sleeping bags to be opened out into full duvets
• 3-D hood, panels provide structural support to the hood and encase your head
• Static draft tube runs around the hood. • Zipper draft tube with anti-snag
• Cushioned internal hood drawcord with dual adjustment
• 2-way YKK #5 zips with separate foot zip
• Regular & Long - left zip will zip to any Women's Trek, Latitude or Talus sleeping bag to form a snug cocoon for two people.
• The Trek series is wider in the hip section than a mummy bag for a more comfort-oriented sleep experience.
• Lightweight Ultra-Sil compression bag and storage/laundry bag included
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