The Responsiv 12L running vest is probably the most versatile version of this range. Indeed, this medium literage allows you to access a wide variety of different race distances, ranging from short trails (where the bag will not be too big) to ultra-type trails where 12L can be sufficient.

The Responsiv range is designed with a "vest" shape and a micrometric loop adjustment system on the sides. Thus, it perfectly fits your body for an unprecedented comfort.

The two bottle pockets on the shoulder straps are compatible with our EazyFlask and R-GO bottles. You can also use these pockets to store your small accessories if you prefer using another hydration system. Ultra-versatile, this trail-running vest has also been designed for performance and has a minimalist look for more lightness and efficiency. The Responsiv 12L has 10 pockets located on either side of the bag, adding a significant convenience during the race.

Top features	Lazer cut flast seams, Perforated 3D foam back for comfort and breathability, Stretch fabric for optimal balance between stability and durability, Reflective Prints front and back, Supplied with 2 x 600 ml EazyFlasks.
Pockets	Vest style pack with 10 pockets including a zipped front pocket, GPS tracker pockets on shoulders, Layered pockets for better internal organization.
Hydratation System	2 front pockets compatible with our EasyFlasks « Press to drink », Main 11L pockets can store a water bladder.
Tightening System	Monofiliment Polyester (hydrophobic) harness for a perfect fit to your body, Adjustment by 2 Freelock® micrometric buckles, 2 chest straps.
Pole carrying system	Pole Holders
Bags - Security	Safety Whistle and reflective print details for security.

Responsiv Vest 12l Ladies - Pink/Light Blue