Equally at home racing, on long training rides or on the turbo. These are a do it all bib short. Designed to get our pro riders through week-long tours and 5+ hour training sessions.

Matt is 5' 11" and 145lbs wearing a size S

Shop the Silhouette

Elasticated straps keep the bibs securely in place without causing skin irritation.

Compression fabric to aid in muscle control which reduces fatigue and increases poweroutput in zone 2.

Silicone Rule 28 monogram gripper

Elastic Interface Paris HP chamois, 14 mm graduated foam, carbon-thread top sheet. Proven on winter classics and long training days.

The do-it-all bib short. Built tough enough for daily use, and comfortable on the longest rides.

Integrated Gripper

Gripper fibres are woven directly into the fabric of the leg panels, removing the need for a seperate panel and seam to add n the leg gripper - reducing discomfort and bulk

Chamois
Elastic Interface's Paris HP chamois. Built to take the hardest rides in stride 5+ hour comfort

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

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.

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.

Obsidian Bib Shorts

$170.00 USD

~~$165.00 USD~~ $170.00 USD

Sale Sold out

Taxes included. Shipping calculated at checkout.

Size Size Guide

XS S M L XL

Color Light Grey

Performance

Core Elite

Temperature

°C °F

-10 °C 0 °C 15 °C +30 °C

15 °F 30 °F 60 °F 90 °F

Breathability

4/5

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

Equally at home racing, on long training rides or on the turbo. These are a do it all bib short. Designed to get our pro riders through week-long tours and 5+ hour training sessions.

Matt is 5' 11" and 145lbs wearing a size S

Shop the Silhouette

Elasticated straps keep the bibs securely in place without causing skin irritation.

Compression fabric to aid in muscle control which reduces fatigue and increases poweroutput in zone 2.

Silicone Rule 28 monogram gripper

Elastic Interface Paris HP chamois, 14 mm graduated foam, carbon-thread top sheet. Proven on winter classics and long training days.

The do-it-all bib short. Built tough enough for daily use, and comfortable on the longest rides.

Integrated Gripper

Gripper fibres are woven directly into the fabric of the leg panels, removing the need for a seperate panel and seam to add n the leg gripper - reducing discomfort and bulk

Chamois
Elastic Interface's Paris HP chamois. Built to take the hardest rides in stride 5+ hour comfort

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

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.

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.

Race fit. Designed to be skintight withough being compressive.

Your Body Measurements

CM IN

Size Chart

Size

Chest

Waist

Hips

82-87

<75

84-89

88-94

76-80

90-94

95-100

81-87

95-100

101-105

88-92

101-107

106-111

93-99

108-114

How to Get Your Measurements

Chest

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

Waist

Measure around the slimmest part of your waist.

Hips

Stand naturally with feet shoulder-width apart and wrap the tape around the widest point of your hips.

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Obsidian Bib Shorts

Performance

Temperature

Need Help?

Shipping & Returns

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Size Guide