Ultraspire | Speedgoat 4.0 | Waist Pack

Go on a trip with the Ultraspire Speedgoat 4.0, the latest version of Karl Meltzer's signature waist pack. Designed for long distances and technical trails, this hip belt offers maximum stability and ultimate ease of use. Its low center of gravity allows you to move naturally and efficiently, while maintaining quick access to all your essentials along the way.

The updated aluminum buckle makes putting on and taking off even easier. The enlarged front pocket offers enough space for your smartphone or extra gear, while the organized side pockets with zipper and stretch mesh pockets all your Nutrition and store smaller items clearly and safely. With the two UltraFlask 550 Hybrid bottles Insulated holders keep cooling hydration within easy reach, without hindering your arm movement. Extra handy: the Z-pole mounting allows you to quickly store or retrieve your poles on the go.

Whether you're training or racing with layovers of 1 to 2 hours, the Speedgoat 4.0 is the reliable partner for your trail adventures.

⭐ Key Benefits&

• 🏔️ Developed with Karl Meltzer – signature pack for ultra-long trails
• 💧 2x UltraFlask 550 Hybrid – with insulated holders that keep your drinks cool for longer
• 🎒 Smart storage space – large front pocket for phone + side pockets with zipper and stretch pockets
• 🦾 Stable & energy efficient – low center of gravity for technical trails
• 🎯 User-friendly – aluminum buckle and speed hook for quick on and off
• 🦴 Practical – Z-pole attachment and jacket straps for on the go

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📊 Specifications

• Best suited for: Trail running, long training sessions and races (1–2 hours between refueling stops)
• Contents: 1.75 L (107 c.i.)
• Hydration: 2x UltraFlask 550 Hybrid included
• Fit: Unisex, one size (28" – 40")
• Material: 4-way stretch mesh &breathable webbing
• Colour: Pinyon Green

🎯 Perfect for

Ultra runners and trail runners who want to cover long distances with maximum stability and quick access to hydration and gear.

We ship every business day with DHL. They pick up around 2:00 PM. Delivery in the Netherlands is usually the next day.

In the Netherlands, shipping is free for orders over 50 euros. In Belgium, shipping is free for orders over 100 euros.

We have a 365-day returns policy. Please use our returns form: https://trail.nl/retour

UltrAspire: Thoughtful Hydration for Trail Runners and Ultra Runners

UltrAspire is a brand dedicated to developing innovative hydration systems for trail runners, ultrarunners, and adventurers who push themselves to the limit. Each product is designed with athlete input and attention to detail, comfort, and performance.

Features of UltrAspire products:

• Ergonomic design: UltrAspire vests and belts are designed with the body in mind. They fit snugly, prevent chafing, and remain stable during technical descents or long climbs.
• Smart storage options: The compartment layout is well thought out – soft flasks, nutrition, phone and raincoat all have their place and remain easily accessible while walking.
• Lightweight and breathable: Made from breathable, quick-drying materials that keep you cool and comfortable, even on hot days or during intense exercise.
• Trail oriented: From minimalist race vests to large ultra-trail vests – UltrAspire offers solutions for every type of trail runner.

Why choose UltrAspire?

UltrAspire stands for performance without compromise. Combining ultrarunning experience with smart innovations, the brand delivers hydration vests and belts that truly make a difference on the trails. Ideal for those who want to run efficiently and need quick access to everything they need while on the go.

Do you have questions about this product or are you unsure about several models? Feel free to contact us or visit our shop.

• The fastest way is the chat button at the bottom right.
• You can also email us at winkel@trail.nl.
• You can also call us at 020 308 6088.