| Regular | Long | |
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| Weight: | 2.0 lbs 5 oz (1050 g) | 2.0 lbs 9 oz (1162 g) |
| Fill: | Certified 850+ Goose Down | |
| Fill Weight: | 19.5 oz (553 g) | 21.5 oz (610 g) |
| Outer Material: | MemBrain® 2L 100% Nylon Ripstop 2.3 oz/yd, Waterproof/Breathable | |
| Liner Material: | 100% Polyester Taffeta DWR 1.0 oz/yd | |
| Compressed Size: | 8" x 13" | 8" x 14" |
| Shoulder: | 62" (157 cm) | 64" (163 cm) |
| Hip: | 58" (147 cm) | 60" (152 cm) |
| Foot: | 40" (102 cm) | 42" (107 cm) |
| Fits: | up to 6' 0" (183 cm) |
up to 6' 6" (198 cm) |
| Color: | Pacifica Blue | |
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| Regular sized Helium Membrain with zipper fully opened. | Regular sized Helium Membrain with 5'11" model inside. |
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| Hood of the Helium Membrain adjusted to smallest size breathe hole with drawstring adjustment. | Close-up of the zipper garage at the top of the zipped up bag. |
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| The Helium Membrain features a two way zipper that allows for venting. | Close-up of the down insulated down draft tube, indicated by red double-sided arrow. |
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| Regular sized Helium MemBrain in included stuff sack weighs the same as a gallon jug filled to about 2.0" |
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