Skip to content
Official DNF Running T-Shirt — Men’s

Official DNF Running T-Shirt — Men’s

by DNF Club
£25.00

Notify me when back in stock

This is it. The Official DNF Running T-Shirt.
The one you wear on training days, race days, and every brutal mile in between.

Crafted from a high-performance 89% polyester / 11% spandex blend, this tee is light, breathable, and built to move with you. It wicks sweat fast, dries even faster, and stretches exactly where it needs to.

The fit hits that perfect balance; athletic fit, giving you the freedom to run, grind, and breathe without distraction. Whether you’re chasing a PB, building mileage, or just getting it done before sunrise, this shirt performs when it matters most.

This isn’t merch. It’s mindset. Woven into every fibre.
DNF: Do Not Fail.

*Fits true to size*

Key Features

  • 89% Polyester / 11% Spandex – Lightweight, sweat-wicking, and flexible.

  • Breathable Performance Fabric – Keeps you cool through long runs and hard sessions.

  • Perfect Fit – Athletic cut designed to move naturally with your stride.

  • Premium Build – Soft on the skin, tough enough for the miles.

  • Official DNF Branding – Bold, simple, and earned through effort.

About DNF

DNF (Do Not Fail) is more than a logo — it’s a reminder of what you stand for.
Every product we make is built for runners who go further, push harder, and refuse to quit.
We build gear that performs because we live the miles too.

For the Ones Who Keep Showing Up.

Every run. Every rep. Every reason to quit — and you don’t.

The DNF Standard

Every piece of DNF gear is built for the ones who do the work; the early alarms, the brutal climbs, the miles no one sees.

We use premium, performance-tested materials designed to outlast sweat, weather, and excuses. But this isn’t just about fabric, it’s about mindset.

DNF clothing is worn by runners who push past comfort, who finish what they start, who understand that pain fades but quitting lasts forever.

Whether it’s a training day, race day, or rest day; this is kit that reminds you what you’re made of. DNF: Do Not Fail. Ever.

Description

This is it. The Official DNF Running T-Shirt.
The one you wear on training days, race days, and every brutal mile in between.

Crafted from a high-performance 89% polyester / 11% spandex blend, this tee is light, breathable, and built to move with you. It wicks sweat fast, dries even faster, and stretches exactly where it needs to.

The fit hits that perfect balance; athletic fit, giving you the freedom to run, grind, and breathe without distraction. Whether you’re chasing a PB, building mileage, or just getting it done before sunrise, this shirt performs when it matters most.

This isn’t merch. It’s mindset. Woven into every fibre.
DNF: Do Not Fail.

*Fits true to size*

Key Features

  • 89% Polyester / 11% Spandex – Lightweight, sweat-wicking, and flexible.

  • Breathable Performance Fabric – Keeps you cool through long runs and hard sessions.

  • Perfect Fit – Athletic cut designed to move naturally with your stride.

  • Premium Build – Soft on the skin, tough enough for the miles.

  • Official DNF Branding – Bold, simple, and earned through effort.

About DNF

DNF (Do Not Fail) is more than a logo — it’s a reminder of what you stand for.
Every product we make is built for runners who go further, push harder, and refuse to quit.
We build gear that performs because we live the miles too.

Sizing Guide

DNF PRODUCT SIZING GUIDE

Heavyweight Cotton T-Shirt (300gsm – Unisex)

Standard fit — true to size.
If you prefer a looser or oversized look, go one size up.

Size Chest (inches) Chest (cm)
S 36–38" 91–97 cm
M 38–40" 97–102 cm
L 41–43" 104–109 cm
XL 44–46" 112–117 cm
XXL 47–49" 119–124 cm

Men’s Running Vest (Limited Edition)

Performance fit — true to size but on the smaller side.
If you prefer a relaxed fit or are between sizes, size up.

Size Chest (inches) Chest (cm)
S 34–36" 86–91 cm
M 37–39" 94–99 cm
L 40–42" 102–107 cm
XL 43–45" 109–114 cm
XXL 46–48" 117–122 cm

Men’s Performance T-Shirt (Limited Edition)

These tees run one size smaller than standard —
for example, a DNF Small fits like a regular Medium.
Order one size up for your usual fit.

Label Size Fits Like Chest (inches) Chest (cm)
S XS 34–36" 86–91 cm
M S 37–39" 94–99 cm
L M 40–42" 102–107 cm
XL L 43–45" 109–114 cm
XXL XL 46–48" 117–122 cm

Women’s Performance T-Shirt

Standard active fit — soft stretch, true to UK sizing.

Size UK Equivalent Chest (inches) Chest (cm)
S 8–10 32–34" 81–86 cm
M 10–12 35–37" 89–94 cm
L 12–14 38–40" 97–102 cm
XL 14–16 41–43" 104–109 cm

Women’s Running Vest

Lightweight performance fit — true to size with stretch.

Size UK Equivalent Chest (inches) Chest (cm)
S 8–10 32–34" 81–86 cm
M 12–14 36–38" 91–97 cm
L 14–16 39–41" 99–104 cm
XL 16–18 42–44" 107–112 cm

⚠️ Sizing Notes

  • All measurements are approximate.

  • If you’re unsure, email info@dnfclub.co.uk and we’ll help you find the right size before you order.

Why Buy From Us

Quality You Can Feel

Every DNF piece is built to perform. From moisture-wicking blends to heavyweight cotton, we use premium materials that can handle the miles, the sweat, and the wash — because you deserve gear that’s as tough as you are.

What We Stand For

We’re not a fashion label. We’re a mindset.
DNF (Do Not Fail) represents grit, resilience, and community. Every product we make exists to remind you to show up, push harder, and finish what you start.

Shipping

SHIPPING

At DNF, we aim to get your gear to you as quickly and reliably as possible.

UK Delivery

  • Standard Delivery (3–5 working days): £3.99

  • Free Delivery on orders over £40

  • Orders dispatched Monday–Friday (excluding public holidays)

  • All deliveries include full tracking

International Delivery
Currently, we only ship within the UK.
We’re actively working on worldwide shipping options to make it easier — and more affordable — for runners everywhere to rep DNF.
Global delivery is expected to roll out from December/January as we finalise logistics and pricing.

Processing
Orders placed before 12pm are processed the same working day.
Orders placed after 12pm or over weekends are dispatched the next working day.
Once your order ships, you’ll receive an email with tracking details so you can follow it all the way to your door.

Returns

RETURNS


We get it — sometimes something doesn’t work out. At DNF, our returns process is simple and fair.

Returns Window

  • 28 days from receipt of order

  • Items must be unworn, unwashed, and in original condition with tags attached

No Questions Asked
Changed your mind? No problem.
We accept returns for any reason — buyer covers postage (unless the item is faulty).

Faulty or Incorrect Items
Email info@dnfclub.co.uk within 7 days and we’ll make it right — fast, and at no cost to you.

How to Return

  1. Email info@dnfclub.co.uk with your order number and item(s).

  2. We’ll reply with return instructions and address.

  3. Send via tracked service.

  4. Refund issued to your original payment method within 5–7 working days once received.

Please Note

  • Returns after 28 days may not be accepted.

  • No exchanges — please place a new order.

  • We recommend tracked postage as we can’t be responsible for lost parcels.