---
title: "Sierra Designs Flex Capacitor 60-80L"
name: "Sierra Designs Flex Capacitor 60-80L"
brand: "Sierra Designs"
description: "Flex Capacitor is a versatile backpack that you can adjust between 60 and 80 liters using the side straps."
handle: "sierra-designs-flex-capacitor-60-80l"
sku: "80710123PT-M/L"
canonical_url: "https://gramino.com/p/sierra-designs-flex-capacitor-60-80l"
html_url: "/p/sierra-designs-flex-capacitor-60-80l"
md_url: "/p/sierra-designs-flex-capacitor-60-80l.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 275.7
price_formatted: "€275.70"
availability: "OutOfStock"
item_condition: "NewCondition"
category: "Backpacks"
category_path: "/c/backpacks"
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  - name: "Sierra Designs Flex Capacitor 60-80L"
    url: "/p/sierra-designs-flex-capacitor-60-80l"
last_updated: "2026-07-05"
---

# Sierra Designs Flex Capacitor 60-80L

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

## Offer

- Price: €275.70
- Availability: Out of stock
- Condition: New
- Buy on the website: [HTML product page](/p/sierra-designs-flex-capacitor-60-80l)

## Description

Flex Capacitor is a versatile backpack that you can adjust between 60 and 80 liters using the side straps. For its weight, it really has awesome load-carrying capacity and durability, plus it boasts a ton of features and a whole bunch of pockets. It’s perfect for a variety of adventures – from big expeditions to winter crossings.

## Specs

- Backpack size: M/L
- Seam-sealed: No
- Waterproof material: No
- Backpack frame type: Aluminum frame
- Backpack padding: Yes
- Backpack removable frame: Yes
- Maximum load capacity: 25 kg
- Sex: unisex
- Material: 420D Oxford nylon, 100D nylon honeycomb
- Material composition: Nylon
- Dimension: 70 × 30.5 × 22 cm
- Volume: 80 l
- Weight: 1400 g
- Brand: Sierra Designs

## Related

- [Hyberg ATTILA ULTRA](/p/hyberg-attila-ultra.md)
- [Sierra Designs Flex Capacitor Rain Cover](/p/sierra-designs-flex-capacitor-rain-cover.md)
- [Hyperlite Mountain Gear Unbound 55](/p/hyperlite-mountain-gear-unbound-55.md)
- [Sierra Designs Flex Capacitor Replacement Hip Belt](/p/sierra-designs-flex-capacitor-replacement-hip-belt.md)
- [Hyperlite Mountain Gear Junction 55 (2025)](/p/hyperlite-mountain-gear-junction-55-2025.md)
- [Nikwax Tech Wash 300 ml](/p/nikwax-tech-wash-300-ml.md)
- [Hyperlite Mountain Gear Southwest 55 (2025)](/p/hyperlite-mountain-gear-southwest-55-2025.md)
- [Tyvek Groundsheet - 75 x 230 cm (for 1 person)](/p/tyvek-groundsheet-75-x-230-cm-for-1-person.md)

## Shipping and returns

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

## Images

- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/c954a0a7aaf09c3be2b9676f4cc3a905-01KWHVSH9TAH4X980H9SVRFC8C.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/d23a10059406ddf9098fb0130cfd3640-01KWHVSHBY57X3DA0PG582VXYW.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/92516957dc411d28037648f5e4325e6d-01KWHVSHBP5TZNS5MGHJ7PSR94.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/18e124ad1f410dec9d3917a58b5c2ab2-01KWHVSHENC71CH7WNW0YT1JKZ.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/e0a4d946b78bc6f747e872699d73fd55-01KWHVSHFK0HT9C5DRKHFWHP8H.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/52e16d6968a064d31221b544bfb01053-01KWHVSHHEDP24QHJ9M0P9PPP0.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/6290fcf98a41bad8420f476c6db48792-01KWHVSHJFKAB2AWH4E5CES6WQ.webp)
- ![Sierra Designs Flex Capacitor 60-80L](https://media.gramino.com/medusa/b7149cce8d8966fe4f2605c44fb2e041-01KWHVSHK7AXAWJYF389WXMQJ7.webp)

## Identifiers

- SKU: 80710123PT-M/L
- Handle: sierra-designs-flex-capacitor-60-80l
- Brand: Sierra Designs

This product is also available as [HTML](/p/sierra-designs-flex-capacitor-60-80l).

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

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