FastpackHer 20
Women’s-specific Fastpack 20 sibling — same ~23L fastpacking role (overnight kit, layers, poles) with a shorter/narrower harness when men’s Fastpack bounce or torso length feels wrong.
Available in Women's sizing.
- Fastpacking Packs
- Running Backpacks
- Best forWomen’s torso patterning without dropping Fastpack volume as a weekly priority.
- CategoryRunning Packs & Vests
Overview
Women’s-specific Fastpack 20 sibling — same ~23L fastpacking role (overnight kit, layers, poles) with a shorter/narrower harness when men’s Fastpack bounce or torso length feels wrong.
The women’s Fastpack 20 sibling for overnight kit and layers with shorter/narrower patterning. Skip it if you only need a flask race vest.
- Women’s torso/chest patterning without dropping Fastpack volume
- Same front-bottle + roll-top workflow as the men’s Fastpack 20
- Clear step up from Race Vest 6 when mandatory kit and layers stack up
Kitletics Review · 8.7 Very Good
Ultimate Direction FastpackHer 20 is a Women’s ~23L Fastpack sibling for overnight kit and layers. I'd shortlist it for women’s torso patterning without dropping Fastpack volume. The trade-off is you want the lightest flask-only race day vest. Skip it if you want the lightest flask-only race day vest.
Read Kitletics Review →Performance scores
- Capacity9.2
- Bounce control8.6
- Race-kit capacity8.8
- Pole carry9.0
- Versatility8.8
- Weight7.2
Overall score: 8.7
Pros & cons
Pros
- Women’s torso/chest patterning without dropping Fastpack volume
- Same front-bottle + roll-top workflow as the men’s Fastpack 20
- Clear step up from Race Vest 6 when mandatory kit and layers stack up
Cons
- Still a pack — not the lightest choice for flask-only race days
- Sizing still needs a careful chest/torso check vs Osprey Tempest Velocity
How it fits different uses
| Use case | Score |
|---|---|
Fastpacking Women’s Fastpack starting point for overnight trail kit. | 94 |
Trail Running Women’s Fastpack when trail days exceed race-vest volume. | 86 |
Ultra Women’s Fastpack for volume-heavy ultra training. | 82 |
Kitletics Review
A buying decision based on structured product data and evidence — not invented star ratings or fake user reviews.
Kitletics Review
Verdict
Ultimate Direction FastpackHer 20 is a Women’s ~23L Fastpack sibling for overnight kit and layers. I'd shortlist it for women’s torso patterning without dropping Fastpack volume. The trade-off is you want the lightest flask-only race day vest. Skip it if you want the lightest flask-only race day vest.
Pros
- Same front-bottle + roll-top workflow as Fastpack 20
- Clear step up from Race Vest 6
- Women’s torso/chest patterning without dropping Fastpack volume
- Same front-bottle + roll-top workflow as the men’s Fastpack 20
- Clear step up from Race Vest 6 when mandatory kit and layers stack up
Cons / Trade-offs
- Still a pack — not lightest for flask-only races
- Needs careful chest/torso check vs Tempest Velocity
- Still a pack — not the lightest choice for flask-only race days
- Sizing still needs a careful chest/torso check vs Osprey Tempest Velocity
Best for
- Women’s torso patterning without dropping Fastpack volume as a weekly priority.
- Clear step up from Race Vest 6 when mandatory kit and layers stack up.
Not ideal for
- Those who want the lightest flask-only race day vest.
- Those looking for Your fit, carry, or awareness needs sit outside what this product was built to do.
- Those looking for Still a pack.
- Those looking for Sizing still needs a careful chest/torso check vs Osprey Tempest Velocity.
Performance breakdown
- Role fit8.6· Editorial
- Value8.0· Editorial
Scale: Poor (1–3) · Fair (4–5) · Good (6–7) · Very Good (8) · Excellent (9–10)
How it performs
What it is
Women’s ~23L Fastpack sibling for overnight kit and layers. Ultimate Direction FastpackHer 20 is built for a defined role in the category — use that as your first filter. I'd shortlist it when you want women’s torso patterning without dropping Fastpack volume. Skip it if you.…
Key specs
Here are the numbers that matter for the Ultimate Direction FastpackHer 20: • Capacity: 23 L • Weight: 580 g • Bladder compatible: yes • Pole attachment: yes • Size range: XS/S–M/L Treat specs as filters for capacity, fit, battery, waterproofing and construction — not the whole.…
Where it is strongest
I'd buy the Ultimate Direction FastpackHer 20 when these outcomes match what you need most weeks: What it does well • Women’s torso/chest patterning • Same front-bottle + roll-top workflow as Fastpack 20 • Clear step up from Race Vest 6 The standout is women’s torso/chest.…
Trade-offs & limits
The Ultimate Direction FastpackHer 20 is not trying to do every job. These are the compromises to weigh: • Still a pack — not lightest for flask-only races • Needs careful chest/torso check vs Tempest Velocity Skip it if: You need to avoid you want the lightest flask-only race.…
Key specs that matter
| Spec | Value | Why it matters |
|---|---|---|
| Weight | 580 g | Affects how lively or protective the shoe feels on easy miles. |
Should you buy it?
Buy if
- You want women’s torso patterning without dropping Fastpack volume as a weekly priority.
- Most of your sessions line up with Women’s ~23L Fastpack sibling for overnight kit and layers more.
- Women’s torso/chest patterning without dropping Fastpack volume
- Same front-bottle + roll-top workflow as the men’s Fastpack 20
Skip if
- You need to avoid you want the lightest flask-only race day vest.
- Your fit, carry, or awareness needs sit outside what this product was built to do
- Still a pack — not the lightest choice for flask-only race days
- Sizing still needs a careful chest/torso check vs Osprey Tempest Velocity
Final verdict
Women’s ~23L Fastpack sibling for overnight kit and layers. I'd shortlist it when you want women’s torso patterning without dropping Fastpack volume. Skip it if you want the lightest flask-only race day vest.
Alternatives to consider
OspreyTempest Velocity 20Why choose this instead: Want better value?
8.6 · Very GoodFrom € 170Compare →
Ultimate DirectionRace Vest 6.0Why choose this instead: Want something lighter?
8.9 · Very GoodFrom € 155Compare →
SalomonADV Skin 12Why choose this instead: Want something lighter?
9.0 · ExcellentFrom € 160Compare →
How we assessed it
We put this guide together from published specs and similar products in the same job. We have not personally tested this product unless the page says we did. Scores are meant to help you decide — affiliate links do not change the verdict.
Review type: Expert Research Review.
Read how we review products →
Specifications
Specifications
| Capacity | 23 L |
|---|---|
| Weight | 580 g |
| Included Flasks | 0 |
| Flask Pockets | 2 |
| Reservoir Compatible | Yes |
| Reservoir Included | No |
| Bottle Capacity | 1000 ml |
| Bladder Compatible | Yes |
| Storage | Roll Top main with side zip; women’s FastpackHer harness and front bottle pockets |
| Front Storage | Front bottle/flask sleeves and women’s Cut harness stash |
| Rear Storage | Roll Top ~23L main with side access |
| Pockets | Front flasks, harness pockets, side/rear stretch |
| Phone Storage | Yes |
| Pole Attachment | Yes |
| Quiver Compatible | Yes |
| Race-Required Gear Capacity | Yes |
| Helmet Carry | No |
| Compression Carry | Yes |
| Race Bib Features | No |
| Bounce Control | High |
| Breathability | High |
| Reflectivity | Yes |
| Whistle | Yes |
| Water Resistance | Water Resistant |
| Fit System | Women’s Infiknit / FastFlow FastpackHer harness |
| Size Range | XS/S–M/L |
| Sizing | XS/S–M/L (verify current UD women’s chart) |
| Fit / Sizing | Women |
| Race Suitability | Trail, Ultra, Adventure |
Fastpack family
Newer: Fastpack 20 →
Where to buy
Showing offers for Netherlands. Prices may change at the retailer.
Amazon.nl
in stockMarketplaceNLLast checked 12 September 2026€ 175View on Amazon
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Sources & evidence
Transparency behind this Kitletics Review — not a substitute for the buying decision above.
Editorial research
Independent expert reviews & Kitletics editorial analysis
Used to cross-check ride, fit, category placement and buying trade-offs. Not a Kitletics personal wear-test.
Verified 12 September 2026
Product data verified 12 September 2026. Prices checked 12 September 2026.
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