Trailhead ThII 30F

$132.26 - $159.16
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If you are new to outdoor recreation, or you only camp occasionally, the Trailhead ThII 30F synthetic mummy sleeping bag is a great value-oriented option. However, the modest price tag doesn’t mean it has cut corners on comfort and versatility. Like all Sea to Summit synthetic mummy sleeping bags, the Trailhead utilizes WaveLoft™ construction to allow the insulation to expand out into air-trapping curves for maximum warmth.

As the temperature rises, the full-length zipper (which curves around through the foot box) allows you to sequentially increase ventilation to the point where the mummy sleeping bag can be opened flat and used as a quilt.

The tapered-rectangular mummy cut of the Trailhead gives you plenty of room to move, regardless of your sleeping position.


Brand Name:
Sea to Summit
Navy Blue
Temp Rating:
30° F
Temp Rating Celsius:
-1° C
EN Lower Limit (Men's Rating):
30° F
EN Comfort (Women's Rating):
40° F
Bag Style:
Polyester (using WaveLoft™ construction)
Circumference at Chest:
Regular: 58 in / 148 cm
Reg Wide: 68 in / 172 cm
Long:60 in / 152 cm
Circumference at Hips:
Regular: 58 in / 148 cm
Reg Wide: 63 in / 161 cm
Long: 60 in / 152 cm
Circumference at Foot:
Regular: 46 in / 116 cm
Reg Wide: 48 in / 122cm
Long: 48 in / 122 cm
Bag Shell Material:
30D nylon with DWR
Bag Stuff Size:
9L volume when compressed with included stuff sack
Bag Length:
Regular: fits users up to 6 ft / 183 cm
Reg Wide: fits users up to 6 ft / 183 cm
Long: fits users up to 6 ft 4 in / 192 cm
Regular: 2 lbs 4.7 oz / 1040g
Reg Wide: 2 lbs 11 oz / 1220 g
Long: 2 lbs 10.3 oz / 1200g
Other Features:
  • WaveLoft™ construction for improved air-trapping for maximum warmth
  • Quality DWR-treated nylon shell material helps repel external moisture
  • Comfortable 20D nylon liner fabric
  • Full-length YKK® #5 main side zip extends through the foot box zip for increased ventilation and allows the bag to be used as a comforter
  • Oversized draft tubes over the zippers to seal in warmth
  • Includes stuff sack

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