SASMO 6L running backpack – ultralight trail pack (berry)

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£25.75 on Amazon (as of 20/10/2025 00:41 PST- Details) & FREE Shipping.

  • Ultra-light 6 L pack weighing just 300 g for minimal carry on long runs.
  • Insulated thermal bottle pocket keeps drinks cool during hard sessions.
  • Breathable back and shoulder padding for a snug, comfortable fit.
  • Built-in waterproof rain cover to protect kit in sudden showers.
  • Compact but roomy enough for phone, snacks, keys and energy gels.
  • Designed for both men and women – stable fit for trail, road or ultra runs.

Product details

Sasmo 6L running backpack – ultralight trail pack (berry)

This neat little running pack is for when you want everything light, quick and no-nonsense. At roughly 300 g with a 6‑litre (6 L) capacity, it’s barely there — perfect for long training days, short ultras or fast trail runs. The berry colour stands out on the path without being too shouty.

What it does for you

It lets you carry the essentials without feeling weighed down. The insulated pocket is spot on for keeping a bottle cooler on hot runs or for stashing gels so they don’t melt. Breathable padding across the back and shoulders cuts down rubbing and keeps airflow moving, so overheating is less of a drama. If the weather turns, pull out the built-in rain cover and you’re sorted — no faffing about with separate covers.

Features and typical use cases

  • Lightweight training and fastpacking – ideal for long loops, tempo efforts and multi‑hour sessions where every gram matters.
  • Trail and fell running – carries fluids, snacks and a small repair kit while staying stable on technical ground.
  • Race day support – great for ultra runners who want a minimal, dependable carry with the essentials close to hand.
  • Daily runs and short commutes – fits a phone, keys and a slim layer for quick trips into town or the park.

Practical details and specs

Capacity: 6 L. Weight: roughly 300 g. Insulated bottle pocket keeps hydration cooler for longer. Breathable back and shoulder padding gives a secure, comfortable fit with good ventilation — a unisex design that suits most body shapes. The built‑in rain cover tucks away neatly and pops out fast if the heavens open. Room for a bottle, gels, snacks, phone and keys without feeling bulky.

Answers to common questions

Will it hold a big water bladder? It’s geared towards bottles and small stashes rather than large reservoirs, so double‑check bladder size if that’s a dealbreaker.

Is it fully waterproof? The main body is water‑resistant but not fully sealed — the supplied rain cover gives reliable protection in sudden showers.

How does it fit different bodies? The ergonomic straps and breathable padding help it sit comfortably on most frames, but very tall or very small runners may want to try one on to be sure of the fit.

All in all, it’s a straightforward, well-thought-out little running pack for anyone who prefers low weight and tidy organisation. No fiddly straps, no unnecessary bulk — just a smart, adaptable rucksack that gets on with the job.

Specifications

  • Capacity: 6 L
  • Weight: approx 300 g
  • Colour: berry
  • Included: waterproof rain cover
  • Manufacturer: SASMO Sports

Additional information

Brand

SASMO Sports

Size

6 L

Colour

Berry

Intended User / Wearer

Men
Women

Functional Features

Back Ventilation
Rain Cover
Ultralight

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