Compact, durable, and ready for long adventures, the ON Ultra Vest Pro 10 L hydration vest is built for comfort and performance on the move. Weighing just 300 g, it’s designed with an innovative closure system that ensures a stable, no-bounce fit even during intense activity. The pack includes two 500 ml Hydrapak® flasks for convenient hydration and features a safety whistle for added security on the trail.

Storage is versatile and intuitive: large side pockets keep essentials close, while front and back zip pockets offer easy-access organisation. A removable seam-taped dry pack with a water-resistant zipper protects gear from moisture, making it ideal for unpredictable weather. With a total 10-litre dry pack volume, this vest balances lightweight design with generous capacity. Perfect for trail runs, long hikes, or endurance events where reliability and comfort are key.

We know the right fit matters. All of our men's and women's shoes are done in the their respective sex sizing. Unisex shoes are done in Men's US sizing, unless stated.

Use the guide below to help you choose the correct size across Unisex footwear.

Still unsure? Swing by the store or reach out to us at info@runhavoc.com or (02) 4261 3816. Our team is here to help.

Footwear:

Be careful when choosing the correct size, as returns due to sizing will come at the buyer's expense.

Fit tips:

• Most shoes we carry are true to size
• Fit shoes firm in the width, with a thumb nail left in the length after your toe.

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