500 mL Softflask w/ Bite Cap - UltrAspire

The unique shape allows this SoftFlask to slide easily in and out of a hydration pocket.

UltrAspire ExpertVoice

Ultraspire introduces yet another milestone in hydration history! the ultraflask 550 hybrid bottle has all the benefits of a softflask but with the conveniences of a hard bottle. The bottle is designed to sit as close to the body as possible to minimize movement when full. the soft-body shape helps with rapid access comfort and squeeze. the large cap opening easily fits ice cubes and is covered by a high flow push/pull valve. Made in the usa.

Ultraspire - Ultraflask 550 Pearl

Part of our ultra-light series, the 500 ml is so light, you might forget you brought it. Weighing in at just over an ounce, it's optimal hydration, no matter what kind of runner you are. Its pliable material conforms to most pockets, it shrinks as you drink to minimize water movement and it can be used with or without the tube. Ultra light weight, ultra useful.

Ultraflask Speed 500 ml Soft Flask | Hydrapak

UltraFlask™ Speed 500 ML Soft Flask

Road Trail Run: Ultraspire Big Bronco Race Race Vest Review

UltraFlask™ Speed 500 ML Soft Flask

500ml Softflask w/bite cap – Trailhead Running Supply

UltrAspire Softflask Hydration Flask (300ml, w/ Bite Cap) : Sports & Outdoors

300 mL Softflask w/ Bite Cap - UltrAspire

UltrAspire Softflask w/Bite Cap 300mL