Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's
Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

A pinnacle-performance 3-season 800 FP down bag, Riff™ offers a trim, athletic cut designed for side sleepers...
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$559.99
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Size guide
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Description

A pinnacle-performance 3-season 800 FP down bag, Riff™ offers a trim, athletic cut designed for side sleepers who crave space-saving packability. Nemo’s iconic Spoon™ bags are cut wider at the elbows and knees so campers can easily shift positions throughout the night and the Ultralight Spoon silhouette used on Riff maintains that extra room while cutting in tighter at the feet and shoulders. The result is a sleeping bag vastly more comfortable than a mummy bag, but still impressively compact. Riff includes a set of next-generation Thermo Gill™ vents on the chest to offer fine-tuned temperature control and a better outdoor sleeping experience. Each Gill features an interior and an exterior zipper with a draft-blocking intermediate layer, allowing several different configurations for dialing in the bag’s temperature without direct exposure to cold air. Our Blanket Fold™ draft collar at the neckline features a redesigned size and shape to further optimize sleep temperature. Tucked in, the Blanket Fold defiantly blocks any chill while mimicking the comfort of your bed at home. Pushed out, it helps dump excess heat instantly. Finally, Riff includes strategically designed baffles insulated with water-resistant, RDS-certified down that are placed vertically along the torso for comfort and aligned horizontally below the waist to prevent down migration. Riff™ is Nemo’s top-of-the-line, backcountry-oriented sleeping bag-and it’s also the latest addition to our suite of Endless Promise® products. Manufactured from a single type of material, this sleeping bag is 100% recyclable at the end of its life-just send it back to Nemo and we’ll handle the rest.

Features
• Ultralight Spoon™ shape adds room at elbows and knees yet is tailored for weight-shaving warmth
• Updated Thermo Gill™ vents extend the comfort range and create fine-tuned control with their multistage zipper system
• Updated Blanket Fold™ design offers a cozy, oversized draft collar that dramatically blocks cold air or releases excess warmth
• Nemo takes full responsibility for all Endless Promise® products, from production to end of life and designs them for 100% recyclability to keep out of the landfill
• Filled with premium 800 FP hydrophobic, PFAS-free, RDS-certified down. Products certified to the Responsible Down Standard(RDS)contain down or feathers from farms certified to animal welfare requirements
• Hood and footbox are reinforced with recyclable material treated with PFAS-free waterproofing to prevent tent condensation from soaking into the bag's fabric
• Body-mapped design includes new 3D footbox for tailored comfort and warmth
• Zip two Riffs(With opposing zipper sides)together to create a double sleeping bag
• Anti-snag zipper features protective edging to stop fabric from getting caught in the zipper pull

Materials
• Insulation: Hydrophobic, PFC-Free Down
• Fill Power: 800
• Shell/Lining: 100% Recycled Polyester Ripstop w/C0 DWR
• Footbox: Waterproof/breathable w/DWR

Specifications
• Bag Shape: Athletic Spoon
• Sleeping Capacity: 1
• Fits Up To: 6'/183cm
• Zipper Location: Left
• Temperature: 15°F/-9°C
• ISO Comfort: 28°F/-2°C
• ISO Lower Limit: 17°F/-8°C
• Compressed Volume: 6.2L
• Stuff Sack Volume: 10.8L
• Minimum Weight: 2lb, 7oz/1.12kg
• Packed Weight: 2lb, 10oz/1.19kg
• Packed Size: 11.5x7.5in dia/29x19cm dia
• Fill Weight: 1lb, 3oz/540g
• Shoulder Girth: 60in/152cm
• Hip Girth: 54in/137cm
• Knee Girth: 58in/147cm
Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

$559.99 $168.00
Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

Riff Endless Promise Regular Sleeping Bag 15°F/-9°C - Men's

$559.99 $168.00
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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