Description

This collapsible SoftFlask holds up to 500mL of fluid and is designed for easy use on the go. Its slim, contoured shape slides smoothly in and out of hydration pockets, making it ideal for running vests. The 42mm wide cap makes it easy to add ice cubes or mix fuel in the flask  Equipped with a soft silicone bite valve.

Features

• The ideal easy store solution for running or hiking
• Soft material conforms to your hand to provide a comfortable carrying experience
• Flexible design shrinks as you drink, reducing water movement on the run
• High-flow bite valve auto-seals after each sip and includes a twist locking cap for added security
• compatible with our new Bloddle hose system
• Large 42mm opening makes it easy to fill with ice or nutrition mixes
• Made of ultra-durable, abrasion resistant TPU (Thermoplastic Polyurethane) Silicone, HTPE & RF welded seams for superior durability and elasticity
• Wide working temperature range (can be frozen - max temp 60° C)
• Safe and reliable, 100% BPA & PVC free
• Custom made for UltrAspire by Hydrapak

Specifications

• Weight: 35g
• Capacity: 500mL
• Thread: 42mm