Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short
Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

Nemo’s newest sleeping bag silhouette is now offered with aerospace-grade, recycled synthetic insulation for ultralight adventures in...
Availability: In stock
$120.00
$399.99
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Description
Nemo’s newest sleeping bag silhouette is now offered with aerospace-grade, recycled synthetic insulation for ultralight adventures in any climate.

Inspired by the traditional tapered mummy bag, the Soul Endless Promise Synthetic Mummy Sleeping Bag has a sleek, streamlined shape that shaves excess material and weight wherever possible but still sneaks in plenty of comfort features. A mono-polymer design, Soul also meets the Endless Promise® standard and can be fully recycled at the end of its life-just send it back to Nemo. Soul’s single, asymmetrical front zip integrates with the innovative Headwall™ internal draft guard to provide 360-degree protection. A plush, insulated collar, Headwall wraps around the back of the neck and cozily overlaps itself in front to efficiently block cold air while creating a uniquely comfortable experience. Balancing the front zipper is a single Thermo Gill™ vent, enabling fine-tuned temperature control. For additional instant ventilation, the footbox also features a zippered opening. Highlighting the clean design are strategically placed vertical and horizontal baffles to optimize warmth and comfort while preventing migration of the Zerofiber™ 800 synthetic insulation.

Features
• Efficient, tapered mummy design cuts excess weight for ultimate packability
• Apparel-inspired Headwall™ internal draft guard provides 360-degree insulated, plush protection from the cold
• Updated Thermo Gill™ vent extends the comfort range and creates fine-tuned control with its multistage zipper system
• Nemo takes full responsibility for all Endless Promise® products, from production to end of life, and designs them for total recyclability to keep out of the landfill
• Zerofiber™ 800 is made from post-consumer recycled material and is the highest-performing synthetic fill possible-ultralight, water-resistant, and warm when wet
• Hood and footbox are reinforced with recyclable, waterproof material to prevent tent condensation from soaking into the bag’s fabric
• Zippered opening at the foot of the bag allows direct access and instant ventilation
• Streamlined hood cinch hardware is bonded to the material and more integrated into the bags design than traditional dangling designs

Materials
• Shell: 100% Recycled Polyester Ripstop w/ C0 DWR
• Lining: 100% Recycled Polyester Taffeta w/ C0 DWR

Specifications
• Compressed Volume: 9.2L
• Zipper Location: Center
• Packed Size: 14x9in dia/35.5x23cm dia
• ISO Comfort: 27°F/-3°C
• ISO Limit: 16°F/-9°C
• Fill Type: FP
• Fits Up To: 5'6"/168cm
• Shoulder Girth: 59in/150cm
• Hip Girth: 52in/132cm
• Knee Girth: 43in/109cm
• Minimum Weight: 2lb 11oz/1.23kg
• Packed Weight: 2lb 14oz/1.3kg

Includes
• Compression Sack
• Mesh Storage Cube
Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

$399.99 $120.00
Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

Soul Endless Promise Synthetic Mummy Sleeping Bag 15°F/-9°C - 25°F/-4°C - Short

$399.99 $120.00
Size chart
Altitude Sports Outlet — Size Guide

Size Guide

All measurements in inches (in) and pounds (lb). Built for the trail, fitted for you.

Men's Tops & Jackets

Chest: measure around the fullest part. Sleeve: from center back neck to wrist.

Size Chest (in) Waist (in) Sleeve (in)
S 36–38 29–31 32–33
M 39–41 32–34 33–34
L 42–44 35–37 34–35
XL 45–48 38–41 35–36
XXL 49–52 42–45 36–37
Women's Tops & Jackets

Bust: measure around the fullest part. Sleeve: from shoulder seam to wrist.

Size Bust (in) Waist (in) Sleeve (in)
XS 31–32 24–25 30–31
S 33–35 26–27 31–32
M 36–37 28–30 32–33
L 38–40 31–33 33–34
XL 41–43 34–36 34–35
Men's Bottoms (Hiking Pants / Shorts)

Waist: measure around natural waistline. Inseam: from crotch to ankle.

Size Waist (in) Hip (in) Inseam (in)
28 28–29 35–36 30–32
30 30–31 37–38 30–32
32 32–33 39–40 31–33
34 34–35 41–42 31–33
36 36–37 43–44 32–34
38 38–39 45–46 32–34
Women's Bottoms (Hiking Pants / Leggings)

Waist: measure around natural waist. Inseam: from crotch to desired length.

Size Waist (in) Hip (in) Inseam (in)
XS (0–2) 24–25 34–35 29–30
S (4–6) 26–27 36–37 29–30
M (8–10) 28–30 38–40 30–31
L (12–14) 31–33 41–43 30–31
XL (16) 34–36 44–46 31–32
Men's & Women's Shoes (Running / Hiking / Trail)

Foot length: measure heel to longest toe. For hiking boots, size up ½ size.

US Men US Women Foot Length (in) EU
7 8.5 9.6–9.8 40
8 9.5 10.0–10.2 41
9 10.5 10.4–10.6 42
10 11.5 10.8–11.0 43
11 12.5 11.2–11.4 44
12 13.5 11.6–11.8 45
13 — 12.0–12.2 46
Kids' Shoes (Running / Hiking)

Foot length: measure heel to longest toe. Kids grow fast—size up for growing room.

US Kids Foot Length (in) EU
10 6.5–6.7 27
11 6.8–7.0 28
12 7.1–7.3 29
13 7.4–7.6 31
1 7.7–7.9 32
2 8.0–8.2 33
3 8.3–8.5 34
4 8.6–8.8 35
5 8.9–9.1 36
6 9.2–9.4 37
Backpacks (Daypack / Hiking / Camping)

Torso length: measure from C7 vertebra (base of neck) to top of hip bones.

Size Torso Length (in) Capacity (L) Best For
XS / S 15–17 20–35 Day hikes / kids
M 17–19 35–55 Weekend trips
L / XL 19–21 55–75 Multi-day / thru-hikes
Sleeping Bags

User height: measured flat on back. Temperature ratings are guidelines—layer up in cold.

Size User Height (in) Shoulder Girth (in) Temp Rating (°F)
Regular up to 72 60–62 20°F / -6°C
Long up to 78 62–64 20°F / -6°C
Double up to 72 (each) — 30°F / -1°C
Tents (Camping / Backpacking)

Capacity is based on average adult sleepers. Size up for extra gear or pets.

Capacity Floor Area (sq ft) Peak Height (in) Best For
1-Person 15–20 36–40 Solo backpacking
2-Person 25–32 40–44 Couples / duo trips
3-Person 35–45 44–48 Small family
4-Person 50–65 48–56 Family / basecamp
6-Person 75–95 56–68 Group / car camping
Cycling Helmets

Head circumference: measure around forehead, just above eyebrows.

Size Head Circumference (in) Head Circumference (cm)
XS/S 20.0–21.5 51–55
M 21.5–23.0 55–59
L/XL 23.0–24.5 59–63
How to measure. Use a soft tape measure over light clothing. For the most accurate fit, measure twice and compare to the table above.
Between sizes? For tops and jackets, size up if you plan to layer. For hiking boots and trail shoes, size up ½ size to accommodate thicker socks.
Still unsure? Our gear is backed by a 60-day free return policy—find your fit risk-free. Contact support@altitude-sportshub.it.com and we'll help you nail it.

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