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Designed & Tested by Female Trail Runners | 2,000+ Orders Shipped





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We design technical trail kit made by female runners, for female runners — so you feel confident, comfortable and free to chase goals you once thought were impossible.
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Rated 5 Stars | Loved by 2,000+ female runners
Meet the bottles your vest has been waiting for. The Iris Soft Flask Bottles are purpose-built to fit the Artemis Race Vest and most major front-pocket vests.
BPA Free, with a no-leak bite valve and low-slosh, flexible body keep things quiet and comfortable, while grippy lids twist on/off easily with sweaty hands.
The tapered ends slide in and out of pockets smoothly for quick refills at aid stations. Choose from two fantastic colours to match your vest and build your perfect training and race day setup.
Please note: soft flasks cannot be returned due to hygiene reasons.
The Iris Soft Flasks are 500ml bottles are made to fit the Artemis Race Vest and most other brands.
The bottles have a bit-valve so no need to worry about leaky bottles while you're on the move. The grip-top means you can quickly and easily top up your water or electrolytes at checkpoints.
Yes our soft flasks are BPA free.
The Iris Soft Flasks can be washed in the dishwasher, or in warm soapy water with a soft brush. Top tip from our Founder is to soak in a Milton sterilising tablet, to remove any excess residue from your electrolytes/carb mix.
The Soft Flasks weigh just 36g.
Our Founder Leigh-Ann recommends practising your fueling during training runs, so there are no surprises on race day. Try different foods and alternating between gels and real food every 30 minutes. Make sure you keep hydrated by sipping water and electrolytes - aiming for 500ml fluid per hour.
Check out our top tips for females who want to get started with trail running in our 'About' Section.
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