Home Nitebrite 25L Backpack Fluro Green - Waterproof | Optimum Sport
Optimum Nitebrite 25L backpack in fluro green, waterproof and reflective cycling rucksack - Optimum
Optimum Nitebrite 25L backpack in fluro green, waterproof reflective rucksack with padded straps - Optimum
Rear view of green Optimum NiteBrite backpack showing padded straps and reflective strips - Optimum
Optimum Nitebrite 25L backpack in fluro green, waterproof and reflective cycling rucksack - Optimum
Optimum Nitebrite 25L backpack in fluro green, waterproof reflective rucksack with padded straps - Optimum
Rear view of green Optimum NiteBrite backpack showing padded straps and reflective strips - Optimum

Nitebrite 25L Backpack Fluro Green - Waterproof | Optimum Sport

4.2 772 Amazon reviews
Sale price €26,95
  • Hi-viz with reflective piping
  • Waterproof nylon
  • Five zipped pockets
  • Padded straps and chest strap
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Same-day dispatch on orders placed by 2pm, Monday to FridaySent from our warehouse in Wigan
FREE UK mainland delivery over €35 Add €8,05 more to your basket to qualify. Standard delivery 2–5 working days. Delivery options
30-day returnsReturn it unused within 30 days for a full refund. Returns policy
A Wigan brand since 1996Questions? Call 01942 497707 or email our team
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  • Fluro green with reflective piping
  • Waterproof nylon
  • 25 litres, five zipped pockets
  • Cycling, running and commuting
  • Free UK delivery over £35
  • Same-day dispatch by 2pm
  • Designed in Wigan since 1996

Why Nitebrite

Stay Visible, Stay Organised

A 25L hi-viz backpack for cyclists, runners, commuters and students.

  • Be seen after dark

    Fluro green with reflective accents, logos and piping to help you stay seen in low light.

  • Keeps your kit dry

    Hard-wearing, waterproof 100% nylon shields your belongings on wet rides and commutes.

  • Five zipped pockets

    A large main compartment, a shallow organiser compartment and three external pockets keep everything sorted.

  • Comfortable carry

    A padded back panel, padded shoulder straps and a chest strap keep it steady even when fully loaded.

  • Room for the day

    25 litres at 45 x 31 x 16 cm, sized for rides, runs, the commute and the school run.

  • For riders, runners and students

    Built for anyone who needs to be seen on the road, on foot or on the bike.

See It in Action

Made for the commute, the school run and wet-weather rides.

Stay visible and organised on every ride with the Optimum Nitebrite 25L Backpack. Constructed from 100% hard-wearing, high-visibility nylon and detailed with reflective accents throughout, it's built for cyclists, runners, commuters and students who need to be seen — on the bike, the commute, the school run or the daily grind.

SPECIFICATIONS:

  • Capacity: 25 litres
  • Dimensions: 45 x 31 x 16cm (H x W x D)
  • Outer fabric: 100% nylon, hard-wearing and waterproof
  • Colour: Fluro Green
  • Reflective detailing: Reflective accents, logos and piping
  • Storage: Five zipped pockets — main compartment, organiser compartment, three external
  • Carry system: Padded back panel, padded shoulder straps, chest strap
  • Use: Cycling, running and commuting

25 LITRE CAPACITY:

Room for all your kit. Five zipped pockets in total — a large main compartment, a shallow organiser compartment and three external pockets — keep everything sorted.

HIGH-VISIBILITY & REFLECTIVE:

Be seen after dark. Finished in Fluro Green with reflective detailing, logos and piping throughout, helping you stay seen in low-light conditions.

WATERPROOF, DURABLE NYLON:

Keep your kit dry. The 100% nylon construction is hard-wearing and waterproof, shielding your belongings from the rain on wet-weather rides and commutes.

COMFORTABLE, SECURE CARRY:

Steady on your back. Padded back and shoulder straps combine with a chest strap for added stability, keeping the bag secure and comfortable even when fully loaded.

COMPACT DIMENSIONS:

Sized to fit. Measures 45 x 31 x 16cm (H x W x D), sized to sit comfortably on your back for rides and runs of any length.

Is the backpack waterproof?

Yes — the 100% nylon construction is hard-wearing and waterproof, shielding your kit from the rain.

How big is it?

It's a 25 litre pack measuring 45 x 31 x 16cm (H x W x D), with five zipped pockets.

Christmas Returns

For all purchases made through Optimum Sport between October 1st and December 31st, the standard returns window has been extended. Customers will have until January 31st to return eligible items.

Returns Policy

In the unlikely event that you are not completely satisfied with any of the products you have brought from Optimum Sport UK you may return unused and unworn goods along with all original packaging and labels within 30 days of receipt for a full refund. Please note we do not offer an exchange service items will need to be returned for a refund and reordered.

RETURNS EXCLUSIONS

The following goods may not be returned for a refund or exchange unless faulty:

  • Any worn items.
  • Any other items of clothing that are not in their original packaging with labels attached.

We do not cover return postage costs, unless, an error has been made on our behalf. We recommend that you use a reputable courier (e.g. Parcelforce for larger items and Royal Mail for smaller items). We cannot accept responsibility for goods lost in transit without proof of postage. Once we have received your item(s) please allow up to 10 working days for us to process your return. Refunds will be made back to the original payment method used at the time of purchase, please allow up to 3-5 working days for this to appear in your bank. 

INTERNATIONAL ORDERS

The buyer is responsible for the return of the goods and cost of return postage, and in case of an exchange, the re-delivery costs.

FAULTY GOODS

For purchases under 30 days from the date of receipt, we will exchange the faulty item at our expense. On returning the items, please include proof of return cost so that we can reimburse this charge.

For purchases over 30 days from the date of receipt but less than 12 months old, please send back the faulty item to the address below, along with a covering letter stating the fault, your order number or actual date of purchase and your daytime contact telephone number. Once received we will inspect the item and repair, replace, offer a like for like replacement or return the item if we feel there has been no manufacturing fault. Any items over that period have been purchased outside of our 12 month policy cannot be accepted.

On returning the items please include proof of return cost so that if the item is found to be faulty, we can reimburse this charge.

Please return your item(s) including to:

Optimum Sport
26-28 Cinnamon Brow Business Park 
Higher Ince
Makerfield Way
Ince-in-Makerfield
Wigan
WN2 2PR

Please include your full name, email address used to place the order and order number if you know this. Alternately download our returns form by clicking here

25L or 8L?

How the 25L compares with our slim, hydration-ready Nitebrite 8L pack.

25L or 8L?
Nitebrite 25LMore storage Nitebrite 8LSlim and light
Capacity25 litres8 litres
Size45 x 31 x 16 cm45 x 20 x 4 cm
Zipped pockets52
Hydration-readyNoYes
Best forCommuting and schoolRides and runs
Choose 25L See the 8L

Both have hi-viz colouring and reflective detailing for low light.

Verified buyers

What Customers Say

Reviews from customers who bought Nitebrite backpacks on Amazon.

Every Detail Considered

A closer look at the Nitebrite backpack.

Optimum Nitebrite 25L Backpack in fluro green, waterproof reflective cycling rucksack feature graphic - Optimum
Optimum Nitebrite backpack range – the small and large hi-viz reflective bags with the 'Stay Safe. Stay Seen.' tagline - Optimum
Optimum Nitebrite 25L Backpack in fluro green, waterproof reflective cycling rucksack feature graphic - Optimum

Nitebrite 25L Backpack Questions, Answered

Is the backpack waterproof?

Yes. The 100% nylon construction is hard-wearing and waterproof, shielding your kit from the rain.

How big is it?

It's a 25 litre pack measuring 45 x 31 x 16 cm (H x W x D).

How many pockets does it have?

Five zipped pockets: a large main compartment, a shallow organiser compartment and three external pockets.

Will I be visible at night?

The fluro green finish and reflective detailing help you stay visible in low light. For night riding, always use front and rear lights too.

How quickly will it arrive?

Orders placed by 2pm Monday to Friday are dispatched the same day. Standard UK mainland delivery is free on orders over £35 and takes 2–5 working days.

Can I return it?

Yes. Return it unused in its original packaging within 30 days of receipt for a full refund. Orders placed between 1 October and 31 December can be returned until 31 January.

See all delivery rates