Ultra-light open mesh base layer with a central chest pocket engineered to hold a standard bottle up to 650 ml.

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Positions the bottle as a chest fairing in the time trial or triathlon position. Tunnel tested to save over 5 W at 32 km/h by smoothing frontal airflow.
Alternatively, the pocket can be used to secure pocket accept ice packs for direct core cooling in extreme heat.
Usage

For long rides where you need all the fluids you can get can't wait. For when
every watt and every second count. The central pocket turns a standard bottle
into a chest fairing, smoothing frontal flow for free speed. Or load it with
ice when the heat builds relentlessly. A mesh layer that carries what you need,
cools when you demand it, and keeps the air moving cleanly over the torso.

Composition & Care

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

Warranty

All pieces carry a one-year manufacturing warranty from date of purchase. This covers defects in materials, workmanship, and construction faults. Thsi does not extend to normal wear and tear, or improper care. This warranty only applies only to purchases made directly through our site.

For any claim, reply to your order confirmation email or write to info@rule28.com with your order number and clear photos. We’ll handle it the same day.

Crash Replacement

If the worst happens and your kit is damaged beyond repair in a crash, send us clear photos of the damage along with your original order details.

We’ll sort a discounted replacement the same day we receive them. Like-for-like where possible.

This sits alongside the standard one-year manufacturing warranty and doesn’t cover normal wear or misuse.

Just email info@rule28.com — we’ve got your back when the road doesn’t.

Cargo Base Layer

Cargo Base Layer

$45.00 USD
$60.00 USD $45.00 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.
5W Saving
Size Size Guide

Performance

Core Elite

Temperature

°C °F
-10 °C 0 °C 15 °C +30 °C
Breathability
5/5
Duration
5/5

Need Help?

Check out our FAQ first for answers.
Still need assistance?
Our support team is here to help.
Reach out through our contact form.

Shipping & Returns

Returns are accepted within 14 days of delivery. Items must be unworn and in their original packaging.

View full details

Ultra-light open mesh base layer with a central chest pocket engineered to hold a standard bottle up to 650 ml.

Shop the Silhouette

Shop the Silhouette

No products selected for this slide.

Shop the Silhouette

No products selected for this slide.

Shop the Silhouette

No products selected for this slide.

Positions the bottle as a chest fairing in the time trial or triathlon position. Tunnel tested to save over 5 W at 32 km/h by smoothing frontal airflow.
Alternatively, the pocket can be used to secure pocket accept ice packs for direct core cooling in extreme heat.
Usage

For long rides where you need all the fluids you can get can't wait. For when
every watt and every second count. The central pocket turns a standard bottle
into a chest fairing, smoothing frontal flow for free speed. Or load it with
ice when the heat builds relentlessly. A mesh layer that carries what you need,
cools when you demand it, and keeps the air moving cleanly over the torso.

Composition & Care

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

Warranty

All pieces carry a one-year manufacturing warranty from date of purchase. This covers defects in materials, workmanship, and construction faults. Thsi does not extend to normal wear and tear, or improper care. This warranty only applies only to purchases made directly through our site.

For any claim, reply to your order confirmation email or write to info@rule28.com with your order number and clear photos. We’ll handle it the same day.

Crash Replacement

If the worst happens and your kit is damaged beyond repair in a crash, send us clear photos of the damage along with your original order details.

We’ll sort a discounted replacement the same day we receive them. Like-for-like where possible.

This sits alongside the standard one-year manufacturing warranty and doesn’t cover normal wear or misuse.

Just email info@rule28.com — we’ve got your back when the road doesn’t.

Size Guide

Your Body Measurements

CM IN
Size Chart
Size
Chest
Waist
Hips
XS
82-87
<75
84-89
S
88-94
76-80
90-94
M
95-100
81-87
95-100
L
101-105
88-92
101-107
XL
106-111
93-99
108-114
Body measurement guide

How to Get Your Measurements

1

Chest

With your arms relaxed by your sides, measure the broadest area of your chest, just beneath your underarms.
2

Waist

Measure around the slimmest part of your waist.
3

Hips

Stand naturally with feet shoulder-width apart and wrap the tape around the widest point of your hips.
5W Saving
Wind tunnel testing found a 5W saving at 32knh when used with a 500ml bottle.
5W Saving