Standard Mouth Flex Cap

Upgrade, replace, or customize your favorite hydration bottle with a leakproof cap designed for durable insulation and effortless transport on every outdoor endeavor. The Hydro Flask Standard Mouth Flex Cap features Honeycomb Insulation™ built right into the lid to maintain internal beverage temperatures, keeping your ice water cold or hot drinks steaming for hours. Compatible with all Hydro Flask Standard Mouth bottles, it is constructed with a soft, flexible TPU strap that swings naturally with your stride and offers a comfortable carry handle for daily commutes and trail hikes. Made from durable, BPA-free and phthalate-free materials, this leakproof cap ensures worry-free storage inside backpacks, tote bags, and duffels, available now at Grivet Outdoors.

Features:

• Honeycomb Insulation™ inside the cap optimizes temperature retention for hot and cold beverages
• 100% leakproof design prevents spills and leaks when stowed in bags and packs
• Flexible TPU strap provides a comfortable, ergonomic grip for easy carrying on the go
• Durable stainless steel pivots allow the strap to move freely without binding
• Universal fit designed specifically for all Hydro Flask Standard Mouth insulated bottles
• Dishwasher safe and constructed from BPA-free, toxin-free materials
• Ideal for replacing worn caps, customizing bottle style, daily commuting, and trail hiking