Nathan | Pinnacle Insulated Soft Flask | 18oz | Finish Lime/Reflective Silver Size:18 oz providing exceptional warmth and softness

providing exceptional warmth and softness with long-lasting knitting quality

allowing you to focus on your performance

Engineered with premium insulation and advanced waterproofing

Timeless pinstripe design combines style with performance

Ultimate Comfort: The rib-knit brim is lined with skin-soft merino wool on the inside

Nathan | Pinnacle Insulated Soft Flask | 18oz | Finish Lime/Reflective Silver Size:18 oz providing exceptional warmth and softnessMORE COLORS The Pinnacle Soft Flask Insulated 18oz Handheld is built for runners, hikers, and outdoor athletes who need effortless hydration on the go. Featuring Nathan's advanced Exo Draw soft flask technology, this handheld system provides a comfortable, grip free experience, allowing you to focus on your performance. Designed for longer lasting refreshment, the insulated 18oz soft flask keeps fluids cooler for extended periods, making it perfect