Kiperaid 500ml Collapsible Soft Flask with 360° Rotatable Straw

🔄 Dual-Mode Drinking: Direct Sip & Long Straw

Stay hydrated without breaking your stride. The Kiperaid soft flask features an innovative interchangeable system. Use the standard high-flow bite valve for quick direct sipping, or attach the 360° rotatable extension straw for effortless, hands-free hydration. Drink instantly without ever tilting your head or taking your eyes off the technical trail ahead.

🛡️ 100% Food-Grade TPU: Safe, Odorless & Eco-Friendly

Your health and taste integrity are non-negotiable. Crafted from premium FDA-approved food-grade TPU, our flask is 100% BPA-free, PVC-free, and Phthalate-free. It will not leach chemicals or leave an annoying plastic taste. Paired with a transparent dust cover, the soft TPE bite valve stays clean and hygienic, protecting your water from trail dust and mud.

💧 360° Leak-Proof Shield & Flangeless Bonding

Engineered using an advanced flangeless seamless bonding process, the base of the flask features an ultra-smooth, high-frequency welded round bottom. Combined with a precision-threaded gray rotating cap, it forms an absolute leak-proof seal. Toss it into your backpack, shake it, or compress it tightly inside a running pack—zero leaks guaranteed.

🧊 Wide Mouth Open for Quick Refills

Time saved at aid stations is time gained on the trail. The mid-wide opening allows for lightning-fast refills at water stations and makes it incredibly easy to drop in ice cubes or electrolyte powders. The smooth interior walls ensure a thorough, dead-zone-free cleaning process after every use.

📦 Premium Sustainable Packaging

At Kiperaid, we value both performance and presentation. Each flask comes beautifully encased in our premium, neater rigid cardboard packaging (card wrap). Featuring striking high-end aesthetics, it makes for an exceptional retail presence and is the perfect gift choice for outdoor enthusiasts.

📋 Technical Specifications