---
title: "Sierra Designs Flex Capacitor 40-60L"
name: "Sierra Designs Flex Capacitor 40-60L"
brand: "Sierra Designs"
description: "Improved version of the popular and very versatile Flex Capacitor backpack."
handle: "sierra-designs-flex-capacitor-40-60l"
sku: "80710223PT-M/L"
canonical_url: "https://gramino.com/p/sierra-designs-flex-capacitor-40-60l"
html_url: "/p/sierra-designs-flex-capacitor-40-60l"
md_url: "/p/sierra-designs-flex-capacitor-40-60l.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 211.9
price_formatted: "€211.90"
availability: "OutOfStock"
item_condition: "NewCondition"
category: "Backpacks"
category_path: "/c/backpacks"
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  - name: "Backpacks"
    url: "/c/backpacks"
  - name: "Sierra Designs Flex Capacitor 40-60L"
    url: "/p/sierra-designs-flex-capacitor-40-60l"
last_updated: "2026-07-05"
---

# Sierra Designs Flex Capacitor 40-60L

Brand: Sierra Designs · Category: [Backpacks](/c/backpacks.md)
Backpack size: S/M, M/L · Seam-sealed: No · Waterproof material: No

## Offer

- Price: €211.90
- Availability: Out of stock
- Condition: New
- Buy on the website: [HTML product page](/p/sierra-designs-flex-capacitor-40-60l)

## Description

Improved version of the popular and very versatile Flex Capacitor backpack. With the straps, you can adjust the volume of the backpack between 40 and 60 liters. For its weight, it has really great load capacity and durability, plus it boasts lots of features and a ton of pockets.

## Specs

- Color: Black
- Backpack size: S/M, M/L
- Seam-sealed: No
- Waterproof material: No
- Backpack frame type: Aluminum frame
- Backpack padding: Yes
- Backpack removable frame: Yes
- Maximum load capacity: 20 kg
- Sex: unisex
- Material: 100D nylon honeycomb, 420D Oxford nylon
- Material composition: Nylon
- Dimension: 63×32×20 cm
- Volume: 60 l
- Weight: 1380 g
- Brand: Sierra Designs

## Variants

- Sierra Designs Flex Capacitor 40-60 – M/L · SKU 80710223PT-M/L · €211.90 · Out of stock · Black, M/L
- Sierra Designs Flex Capacitor 40-60 – S/M · SKU 80710223PT-S/M · EAN 054003854320 · €211.90 · Out of stock · Black, S/M

## Related

- [Hyberg BANDIT](/p/hyberg-bandit.md)
- [Sierra Designs Flex Capacitor Rain Cover](/p/sierra-designs-flex-capacitor-rain-cover.md)
- [Granite Gear Crown3 60 Women's](/p/granite-gear-crown3-60-women-s.md)
- [Sierra Designs Flex Capacitor Replacement Hip Belt](/p/sierra-designs-flex-capacitor-replacement-hip-belt.md)
- [Granite Gear Crown3 60](/p/granite-gear-crown3-60.md)
- [Sea To Summit Mesh Stuff Sack 2023](/p/sea-to-summit-mesh-stuff-sack-2023.md)
- [Liteway Biggie Pack X-Pac 45L](/p/liteway-biggie-pack-x-pac-45l.md)
- [Liteway Hip Belt Pokkie X-Pac](/p/liteway-hip-belt-pokkie-x-pac.md)

## Shipping and returns

- [Shipping and payment](/docs/doprava-a-platba.md)
- [Returns](/docs/vymena-vraceni.md)

## Images

- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/7fd4b1101eea07f9ccf583fcb5e12b12-01KWHVJCFFCXTJ9N7Y39WY2ZZG.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/6e731554eacf7a56b7181d405b3bd017-01KWHVJCHYC8N3WWBGXC80XNE1.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/afa36297d1837685d791a87a297a61f8-01KWHVJCQDAD9Q5MM5PPV96VMR.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/0ee8bde84832ed87873b391f513348e5-01KWHVJCQ9N5WV6PVD7BPTNQ88.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/7f67eb9d2b6b4af43a0d4421f97d6d05-01KWHVJCQQJAHVC1FPBYMJSRQ4.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/1c9e5e44fa587ca712dd50f38035bc5a-01KWHVJCQSHDMXRFW2D5DNDFPZ.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/7475ec92a837b2ac92ac4690116dbd27-01KWHVJCQNVEDVCJGAQDVMPF9F.webp)
- ![Sierra Designs Flex Capacitor 40-60L](https://media.gramino.com/medusa/ec1863668db2f06c4d5e0d319512ec62-01KWHVJCVEZA70PAAMTDWCKH00.webp)

## Identifiers

- SKU: 80710223PT-M/L
- Handle: sierra-designs-flex-capacitor-40-60l
- Brand: Sierra Designs

This product is also available as [HTML](/p/sierra-designs-flex-capacitor-40-60l).

Category: [Backpacks](/c/backpacks.md) · [Sitemap](/sitemap.md)

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