PRODUCT OVERVIEW

Packs down to almost nothing when it's empty, this flask is made of durable material that's soft and textured in your hand. The bite valve gives a substantial flow rate for instant satisfaction. Great for water, electrolytes and even energy gels.

Features

• Body is durable 0.4mm BPA-free thermoplastic polyurethane.
• High-flow silicone bite valve with a twist shut off.
• Freeze or fill with warm water (max temp 60°C / 140°F).