Name: Osprey Flare 27
Brand: Osprey
SKU: 10007177
Price: 77.9 USD
Availability: InStock

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How to measure: Find your iliac crest (top of hip bone). On the back of your neck, find the C7 vertebra (touch your chin to your chest — the large protruding bone at the base of your neck). Measure from C7 to the iliac crest to determine your torso length.

Men's Sizing

Torso	14" 35.5cm	15" 38cm	16" 40.5cm	17" 43cm	18" 46cm	19" 48cm	20" 51cm	21" 53cm	22" 56cm	23" 58.5cm	24" 61cm	25" 63.5cm
M Outdoor
Aether Plus / Aether	—	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	S/M or L/XL	L/XL	L/XL	—	—
Aether Pro	—	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	L/XL	L/XL	L/XL	—	—
Atmos AG	—	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	S/M or L/XL	L/XL	L/XL	—	—
Atmos AG LT	—	—	—	S/M	S/M	S/M	S/M	L/XL	L/XL	L/XL	—	—
Talon 11, 22, 26, 33 (2025)	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Talon 44 (2025)	—	—	S/M	S/M	S/M	S/M or L/XL	L/XL	L/XL	L/XL	L/XL	—
Talon / Talon Pro / Talon Velocity	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	L/XL	L/XL	—	—
Talon 6	O/S — Hipbelt Fit Range: 25–50" (64–127 cm)						—	—
Rook	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Volt	—	—	—	O/S	O/S	O/S	O/S	OS	—	—
Exos / Exos Extended Fit	—	—	—	S/M	S/M	S/M or L/X	S/M or L/XL	L/XL	L/XL	L/XL	—
Exos Pro	—	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	L/XL	L/XL	L/XL	—
Kestrel	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	S/M or L/XL	L/XL	L/XL	—
Osprey UNLTD AG 32	—	—	—	S/M	S/M	S/M or L/XL	S/M or L/XL	L/XL	L/XL	L/XL	—
Stratos	—	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—
Soelden Pro / Soelden	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Kamber 20, 30	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
M Hydration
Manta / Skarab	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Duro LT, 6, 1.5	Sm (30–35" / 75–90 cm) · Med (35–41" / 90–105 cm) · Lg (41–47" / 105–120 cm) — Chest				—	—	—	—	—
Duro 15	S/M (30–41" / 76–104 cm) · M/L (41–47" / 104–119 cm) — Chest			—	—	—	—	—
Raptor / Raptor Extended Fit / Syncro / Siskin / Katari	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—
M Travel
Farpoint Travel Pack	—	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—
Farpoint Trek	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Ozone Duplex (M)	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—

Unisex Sizing

Torso	14" 35.5cm	15" 38cm	16" 40.5cm	17" 43cm	18" 46cm	19" 48cm	20" 51cm	21" 53cm	22" 56cm	23" 58.5cm	24" 61cm
Outdoor
Hikelite 18, 26	O/S	O/S	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—
Hikelite 28, 32	—	S/M	S/M	S/M	S/M or M/L	S/M or M/L	M/L	M/L	M/L	—	—
Glade 5, 12	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Firn 18, 28	—	S/M	S/M	S/M	S/M or M/L	S/M or M/L	M/L	M/L	M/L	—	—
Osprey Sportlite 15, 20	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Osprey Sportlite 25, 30	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—
Mutant 22	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Mutant 52, 38	S/M	S/M	S/M	S/M	S/M or M/L	M/L	M/L	M/L	M/L	—	—
Zealot 30	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Zealot 45	S/M	S/M	S/M	S/M or M/L	M/L	M/L	M/L	M/L	M/L	—	—
Hydration
Duro Dyna Belt	O/S — Hipbelt Fit Range: 24–45" (60–115 cm)
Raptor Pro	—	—	—	O/S	O/S	O/S	—	—	—	—	—
Savu	O/S — Hipbelt Fit Range: 26–50" (66–127 cm)
Seral	O/S — Hipbelt Fit Range: 26–50" (66–127 cm)
Bike Commute
Radial	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Metron 26, 24	—	O/S	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—
Child Carrier
Poco SLT / Poco LT / Poco / Poco Plus / Poco Premium	—	O/S	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—

Kid's Sizing

Torso	11" 28cm	12" 30.5cm	13" 33cm	14" 35.5cm	15" 38cm	16" 40.5cm	17" 43cm	18" 46cm	19" 48cm	20" 51cm	21" 53cm	22" 56cm
Ace 75 (age 12–17)	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Ace 50 (age 8–14) / Ace 65 (age 10–17)	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Ace 38 (age 5–11)	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—	—
Jet 18 (age 8–14)	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Hydrajet (age 4–12)	O/S	O/S	O/S	O/S	O/S	—	—	—	—	—	—
Daylite JR (age 4–12)	O/S	O/S	O/S	O/S	O/S	—	—	—	—	—	—
Moki (age 4–12)	O/S	O/S	O/S	O/S	O/S	O/S	—	—	—	—	—
Talon / Tempest JR (age 8–14)	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—	—
Raptor Jr / Raven Jr (age 6–14)	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—

Women's Sizing

Torso	11" 28cm	12" 30.5cm	13" 33cm	14" 35.5cm	15" 38cm	16" 40.5cm	17" 43cm	18" 46cm	19" 48cm	20" 51cm	21" 53cm	22" 56cm
W Outdoor
Ariel Plus / Ariel	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Ariel Pro	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Aura AG	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Aura AG LT	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Tempest 11, 22, 26, 33 (2025)	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Tempest 44 (2025)	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	—	—
Tempest / Tempest Pro / Tempest Velocity	—	—	—	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	—	—
Tempest 6	O/S — Hipbelt Fit Range: 24–44" (61–112 cm)						—	—
Renn	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Viva	—	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—
Eja / Eja Extended Fit	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Eja Pro	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Kyte	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Osprey UNLTD AG 32	—	—	XS/S	XS/S	XS/S	XS/S or M/L	XS/S or M/L	M/L	M/L	M/L	—	—
Sirrus	—	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—
Sopris Pro / Sopris	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Kresta 20, 30	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
W Hydration
Mira	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—
Skimmer	—	—	—	—	O/S	O/S	O/S	O/S	—	—	—
Dyna LT, 6, 1.5	Sm (26–30" / 65–75 cm) · Med (30–35" / 75–90 cm) · Lg (35–41" / 90–105 cm) — Chest
Dyna 15	S/M (26–35" / 66–90 cm) · M/L (35–41" / 90–104 cm) — Chest
Raven / Raven Extended Fit / Sylva / Salida / Kitsuma	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—	—
W Travel
Fairview Travel Pack	—	—	—	—	O/S	O/S	O/S	O/S	O/S	—	—
Fairview Trek	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—
Ozone Duplex (W)	—	—	—	O/S	O/S	O/S	O/S	O/S	O/S	—	—

How to measure: Measure around the hips at the iliac crest, not the waist. The padded portion should wrap well around the hips, leaving a gap of 3" to 6" between the tips of both hip pads when securely tightened.

Fixed Hipbelt Sizing

XS24–25" / 60–114 cm

S24–25" / 60–114 cm

S/M26–45" / 65–114 cm

M27–48" / 69–121 cm

M/L28–50" / 70–127 cm

L29–55" / 72–140 cm

O/S25–50" / 64–127 cm

S/M EF17–20.5" / 43–52 cm

L/XL EF19.5–23" / 49–58 cm

O/S EF40–70" / 101–177 cm

WXS/S EF13.5–17" / 34–43 cm

WM/L EF16–19.5" / 40–49 cm

EF = Extended Fit

Adjustable Hipbelt Options

Packs with Fit-on-the-fly™ adjustable hipbelt allow you to fine-tune sizing for optimal carry performance:

Atmos AG / Aura AG
Volt / Viva
Ace (Kids)
Poco Child Carrier

Extended Fit (EF) Overview

Extended Fit packs add new sizing to provide people in larger bodies the same uncompromised performance. EF hipbelts fit up to 70" hips.

Longer Hipbelt Padding

Substantially longer padding provides comfort, support and stability for larger body shapes.

Repositioned Hipbelt Pockets

Hipbelt pockets shifted forward for practical, easy-to-reach access.

Extended Shoulder Straps

Longer shoulder straps distribute the load evenly and comfortably.

Longer Sternum Strap

Enhances stability without being restrictive.

How to measure: Measure the circumference of your chest at its widest part — across your chest/bust, just below the armpits and around your back. Then locate your vestpack and use your chest measurement to choose the best size.

Vestpack Sizing — Running

Vestpack	Sizes Offered	Chest Circumference
Duro 6 / Duro 1.5 / Duro LT	Men's Small · Men's Medium · Men's Large	34.5–37 in / 88–94 cm · 37–42.5 in / 94–108 cm · 42.5–46.5 in / 108–118 cm
Duro Pro 7 / Duro Pro 10	Men's Small · Men's Medium · Men's Large	34.5–37 in / 88–94 cm · 37–42.5 in / 94–108 cm · 42.5–46.5 in / 108–118 cm
Dyna 6 / Dyna 1.5 / Dyna LT	Women's Small · Women's Medium · Women's Large	31.5–35 in / 80–89 cm · 35–38.8 in / 89–98 cm · 38.5–42.5 in / 98–108 cm
Dyna Pro 7 / Dyna Pro 10	Women's Small · Women's Medium · Women's Large	31.5–35 in / 80–89 cm · 35–38.8 in / 89–98 cm · 38.5–42.5 in / 98–108 cm
Past-Season Sizing
Duro 6 / Duro 1.5 / Duro LT (Past-Season)	Men's Small · Men's Medium · Men's Large	29.5–35 in / 75–90 cm · 35–41 in / 90–105 cm · 41–47 in / 105–120 cm
Duro 15 (Past-Season)	Men's S/M · Men's M/L	29.5–41 in / 75–105 cm · 41–47 in / 105–120 cm
Dyna 6 / Dyna 1.5 / Dyna LT (Past-Season)	Women's Small · Women's Medium · Women's Large	26–29.5 in / 65–75 cm · 29.5–35 in / 75–90 cm · 35–41 in / 90–105 cm
Dyna 15 (Past-Season)	Women's S/M · Women's M/L	26–35 in / 65–90 cm · 35–41 in / 90–105 cm

Vestpack Sizing — Biking

Vestpack	Sizes Offered	Chest Circumference
Escapist Velocity 3	Unisex S/M · Unisex L/XL	26.5–36 in / 67–92 cm · 35–47 in / 89–119 cm
Escapist Velocity 6	Unisex S/M · Unisex L/XL	26.5–36 in / 67–92 cm · 35–47 in / 89–119 cm

How to Fit Your Pack

1. Position the Pack

Completely loosen the hipbelt, harness and load-lifter straps. Load the pack with 10–20 lbs / 4–5 kg of gear. Put the pack on and make sure the hipbelt is centered and rests over the hipbone. The hipbelt padding should sit halfway above/below the hipbone.

2. Buckle the Hipbelt

Buckle and tighten evenly using the cross-body Ergo-Pull. The padding should wrap around the hips with approximately 1–3 in / 2.5–6 cm of webbing between the buckle and hipbelt when tightened.

3. Tighten Shoulder Straps

Tighten by pulling the shoulder harness straps down and back. The harness straps should wrap fully around the shoulders with no gaps between the pack and your back.

4. Tighten Load Lifters

This pulls the pack close to the body and helps stabilize the load. If the torso length is adjusted correctly, load lifters will sit between a 30° to 60° angle and align naturally with the shoulder straps.

5. Check Torso Length

Locate the harness yoke (where harness straps come together near the base of the neck) and the C7 vertebra. The yoke should be 1–2 in / 2.5–5 cm below the C7 vertebra.

6. Buckle the Sternum Strap

Adjust to approximately 2 in / 5 cm below the collarbone. This helps stabilize the pack without restricting breathing.

Signs You Need a Different Size

Load lifters angled below/above 30–60 degrees
Yoke to C7 vertebra distance is more than 2 in / 5 cm or less than 1 in / 2.5 cm
There is a gap between the harness and back of the shoulder
The hipbelt "tops out" or doesn't provide enough coverage
Padded part of shoulder straps tops out below the armpits

Women's-Specific Fit

Osprey has been designing packs for women for over 25 years. Women's-specific features include:

Shorter torso length — tailored to fit female body proportions
Narrower, shorter harness — curves designed to accommodate most women's necks, shoulders and chests
Curved hipbelt — wraps naturally around women's hips for better load stabilization and support

Add To Cart For Final Price

Flare 27

Description Key Attributes Carry Information Specifications

Need a school bag with plenty of room for books and supplies, but not so big it's bulky? The 27L Flare hits the sweet spot of a medium backpack for around campus and beyond. With a massive internal laptop sleeve in its main compartment, the deceptively cavernous Flare can fit up to a 16-inch laptop and comes with internal organization to keep all of your daily gear in order. Get around campus with a little Flare this next semester.

Campus-Oriented Organization

Laptop and document sleeves, blinky light attachment, organization compartment and small zip compartments.

AirScape™ Backpanel

Lightweight, mesh-covered 3D-foam backpanel offers close-to-body fit for stability.

Sustainable Design

Featuring bluesign® APPROVED main body fabrics, recycled materials and PFC/PFAS-free DWR.

Backpanel

AirScape™ backpanel

Harness

Spacermesh, die-cut foam, fabric

MAIN

bluesign® APPROVED 600D recycled polyester, PFC/PFAS-free DWR

LINING

bluesign® APPROVED 600D recycled polyester, PFC/PFAS-free DWR

BOTTOM

bluesign® APPROVED 600D recycled polyester, PFC/PFAS-free DWR. WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Flare 27 - Video

Video

Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

SpokeX & SX Collective — Mountain Bike Wheelsets, E-MTB Components, Snowboarding, Skiing, Hiking, Running & Camping Gear

Osprey Flare 27

Shipping Policy

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