The Salomon S Flask 400/13 Insulated 42 is an insulated 400ml soft flask designed for trail running, ultra running and outdoor adventures across changing temperatures.

Its dual-skin insulation helps limit your drink from heating up in warmer conditions and helps prevent freezing when temperatures drop. The high-flow bite valve is designed to clear ice build-up with a quick squeeze, making it a practical option for year-round adventures.

The soft, flexible construction moulds comfortably to your running vest or pocket and shrinks as you drink to help minimise water movement and bounce. A grippy handle makes the flask easier to hold and use on the move, even when you're wearing gloves.

A large 42mm opening makes filling and cleaning easier, while compatibility with Salomon's 42mm lids adds extra versatility to your hydration setup.

Product Features

• 400ml insulated soft flask
• Dual-skin insulation for hot and cold conditions
• Helps limit heating in summer and freezing in winter
• High-flow bite valve
• Bite valve designed to clear ice build-up with a quick squeeze
• Large 42mm opening for easy filling
• Soft construction shrinks as you drink to reduce water bounce
• Grippy handle for easier use on the move
• Compatible with Salomon 42mm lids
• BPA, PVC and PFC free

Technical Specifications

• Best For: Trail running, ultra running & outdoor adventures
• Capacity: 400ml / 13oz
• Opening: 42mm
• Weight: 62g
• Valve: High-flow bite valve
• Construction: Insulated dual-skin soft flask
• Body: 64% Thermoplastic Polyurethane, 33% Polypropylene, 3% Silicone
• Seams: RF welded
• BPA & PVC Free: Yes
• PFC Free: Yes