Mandatory gear - Ultra races
UTMB® approved. Storm-ready. Ultra-light.
The COMPRESSPORT Mandatory Kit collection. Designed to meet the rules. Built to break records.
Race-tested protection
When the weather turns. When the trail feels endless. When comfort, lightweight performance and mandatory gear compliance are non-negotiable, your equipment has to deliver.
This new generation of waterproof apparel is built to meet the mandatory kit requirements of the world’s toughest ultra-trail races, including UTMB®. But we didn’t stop at compliance. We pushed further.
Every detail is engineered for runners who go farther and faster. Ultra-light construction. Performance-driven design. Minimal packed volume. Zero distractions.
- UTMB® approved
- Ultra-light and packable
- Designed by trail runners, for trail runners
The 14 items in the kit
1. Ultrun Evo 15 Pack (backpack)
2. 3D Thermo Ultra Light (headtube)
3. Hurricane Waterproof 10/10 (mittens)
4. 3D Thermo (gloves)
5. Hurricane (beanie)
6. ON/OFF Base Layer LS (tights)
7. ON/OFF Base Layer LS (top)
8. Ergoflasks (500ml)
9. Hurricane Waterproof 10/10 (pants)
10. Thunderstorm (waterproof jacket)
11. Food supplies
12. Survival blanket
13. Head lamp
14. 3-strand poles
Waterproof jackets and pants
Thunderstorm Waterproof Jacket
Waterproofing: 30 000 Schmerber
Breathability: 60000 g/m2/24h
Weight: 126g
Key Benefits:
- Advanced Japanese 3-layer membrane with DWR coating
- Ergonomic cut with storm flap and self-locking zip
- Reflective detailing and a fitted hood for visibility and protection
- Packs into its own chest pocket
Best for: Multi-day races, exposed terrain, severe weather
Tempest Waterproof Jacket
Waterproofing: 20 000 Schmerber
Breathability: 20 000 g/m2/24h
Weight: 149g
Key Benefits:
- Smooth, PFC-free fabric meets EU environmental standards
- Fitted cut accommodates a running pack
- Ergonomic hood with stiff peak for clear visibility
- Reflective details and adjustable wrist cuffs
Best for: Long ultra-trails, mountain weather, transitional conditions
Hurricane Waterproof Jacket
Waterproofing: 10 000 Schmerber
Breathability: 10000 g/m2/24h
Weight: 96g
Key Benefits:
- 10,000 Schmerber waterproofing with sealed seams
- Streamlined raglan sleeves and a fitted race cut
- Self-blocking diagonal zip for quick ventilation
- Packs into even the smallest pocket
Best for: Race day, fast efforts, mandatory gear checklists
Hurricane Waterproof Pants 2.0
Waterproofing: 10 000 Schmerber
Breathability: 10 000 g/m2/24h
Weight: 101g
Key Benefits:
- 10,000 Schmerber waterproof fabric with sealed seams
- Ergonomic fit with 4-way stretch and ankle zips
- Snap buttons at the hem for easy adjustments
- Reflective details for visibility
Best for: Ultra-races with mandatory pants, wet race starts, emergency layering
The jackets and pants
Jackets
Jackets
Jackets
Jackets
Jackets
Pants
Built for the race. Ready for anything.
From training loops to 100-mile finish lines, COMPRESSPORT gear is tested by elite athletes and proven in the toughest conditions.
When every gram matters, when the storm hits, when nothing can slow you down, rely on gear built to go the distance.
Don’t just meet the requirements. Perform beyond.
Hurricane Waterproof Mittens
Waterproofing: 10 000 Schmerber
Breathability: 10000 g/m2/24h
Weight: 13g
Key Benefits:
- 10,000 Schmerber waterproofing, sealed seams
- Ultralight, breathable, windproof
- UTMB® approved for mandatory hand protection
Designed for warmth and grip in harsh conditions. Can be layered over lighter gloves for added insulation.
3D Thermo Gloves
Weight: 37g
Key Benefits:
- Thermoregulating, sweat-wicking fabric
- Touchscreen compatible
- UTMB® compliant when paired with waterproof mittens
Insulating yet breathable. Perfect for cold-weather runs or race day prep.
Hurricane Beanie
Weight: 26g
Key Benefits:
- High-performance thermoregulation
- Soft fleece lining, full ear coverage
- Breathable zones for heat control
Built for winter training, racing, and any cold-weather effort.
The accessories
Gloves
Gloves
Headbands
Packs and belt
Ultrun Evo 10 Pack
Capacity: 10L
Weight: 126g
Key Benefits:
- 10L capacity, to carry mandatory equipment and clothing during ultra trail races or long training sessions
- Clevely-placed front pockets, to ensure your hydration flasks sit comfortable and bounce-free out on the trails
- Updated zig-zag elastic closure on the front, allowing the chest to expand for maximum comfort when the intensity builds
Ultrun Evo 15 Pack
Weight: 140g
Key Benefits:
- Large 12 + 3L capacity to carry all equipment and nutrition on long distance trail runs
- Secure front and rear pockets with easy-access tabs so you don’t lose any essential gear on the run
- Ergonomic and ultra stable for optimal comfort as the hours wear on
Freebelt Pro
Weight: 67g
Key Benefits:
- Zero Bounce & Chafing: Seamless, ergonomic design acts as a second skin, adapting to your body for ultimate trail comfort.
- 3.5L Adaptive Storage: 360° stretch mesh compartment features a raised outer layer for instant, easy access to all your gear.
- Race-Ready Tech: Diagonal pole holders for lightning-fast stowing and integrated bib toggles guarantee maximum trail freedom.
The packs and belt
Bags
Bags
Bags
Bags
Belts
Understanding the numbers
5000-10000g/m2/24h
Moderately breathable — comparable to ski jackets. The fabric allows moisture to escape while remaining waterproof.
10 000-20 000 g/m2/24h
Extremely breathable — matches the performance of professional-grade jackets. High moisture management for active movement.
>20 000g/m2/24h
Ultra-breathable — prevents condensation even during intense exertion. Ideal for high-output, long-duration activities where maximum comfort is key.
8000-12 000mm
Withstands light rain for extended periods.
12 000mm-20 000mm
Designed to handle prolonged exposure to heavy rain.
>20 000mm
Perfect for long, demanding ultra-trails where weather conditions can vary drastically — from downpours to storms.
