Soft Flask | 500ml

Stay light, fast, and fully hydrated with the Soft Flask 500 ml—engineered for performance and designed to fit seamlessly into Strive Fly, Strive 5, and Strive 10 running vests. Built from flexible TPU, this lightweight flask collapses as you drink, reducing bounce and saving space. The updated design includes a wider, easy-to-grip cap for quick refills, plus a self-sealing nozzle for effortless hydration on the move.

• Optimized for Strive vests – Fits Strive Fly, Strive 5, and Strive 10 with secure adjustable straps.
• Effortless hydration – Self-sealing nozzle delivers water fast, no fumbling needed.
• Quick refill system – Wide 40 mm opening is easy to grip, fill with ice, and clean after long runs.
• Smart design – Transparent body lets you track fluid levels at a glance.
• Premium construction – Lightweight, soft, and flexible TPU material collapses as you drink to minimize slosh.
• Safe & durable – 100% free from BPA, phthalates, and PVC.
• Trail-ready weight – Just 44 g, ideal for long-distance running and racing.

From ultra-distance races to daily training runs, the Soft Flask 500 ml keeps your fuel close, your stride steady, and your focus on the trail ahead.