Hydro Flask HF-Butelka 40oz Wide Flex Straw Cap Reef sports water bottle 40 oz

Hydro Flask HF-Butelka 40oz Wide Flex Straw Cap Reef is a 40 oz sports water bottle engineered for active hydration. The bottle combines a wide mouth opening with a Flex Straw cap that allows easy sipping without tipping the bottle. Constructed for everyday sports and outdoor use, it balances capacity and portability so users can carry a large volume of liquid while remaining able to drink quickly during exercise or travel.

Advantages

The wide mouth design simplifies filling, adding ice and cleaning, while the Flex Straw cap provides spill-resistant sipping and one-handed access. Insulated stainless steel construction keeps beverages at a consistent temperature longer than single-wall bottles and resists odors and stains. The cap includes a secure handle for convenient carrying or attachment to a bag, and the bottle’s durable finish stands up to regular outdoor use.

Suitable for

• Gym workouts and fitness classes
• Hiking, cycling and outdoor recreation
• Commuting and travel
• Everyday office or home hydration

Key specifications

• Capacity: 40 oz (approximately 1180 ml)
• Mouth style: wide opening for easy filling and cleaning
• Cap type: Flex Straw cap with integrated straw and carry handle
• Material: insulated stainless steel body
• Finish: durable exterior coating suitable for outdoor use

How to use

Fill the bottle through the wide mouth with water or other non-carbonated beverages; adding ice is straightforward due to the wide opening. Close the Flex Straw cap securely to prevent leaks, use the integrated straw for sipping without tipping, and carry the bottle by the handle or attach it to a bag. For best thermal performance, pre-chill or pre-heat the bottle before filling. Avoid using with hot carbonated drinks.

Usage recommendations

Clean the bottle and straw components regularly by hand with warm soapy water, rinsing thoroughly. For thorough cleaning remove the straw assembly as recommended by the manufacturer. Do not use bleach or abrasive cleaners; follow care instructions to maintain insulation performance and exterior finish.