Pulse 12 W


Technical backpack for WOMEN with a storage capacity of 12 L, equipped with 2 500ml flasks, offering unique comfort thanks to its storage and anatomical fit. The carrying solution for athletes with no limits.

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The PULSE 12 W bag is designed for the female morphology, to meet the constraints of the most demanding athletes. This ultra light backpack allows you to carry the essential equipment for short and long distance trails. Perfect balance between lightness and stability. Ultra complete, it was designed based on the experience of our best athletes. Very breathable thanks to its 3D Coolmax® material which improves thermoregulation, this backpack which is worn like a vest and offers you unique comfort during Trail outings, but also mountain biking or Nordic skiing outings. The hydration system is very quickly accessible with plenty of storage space that perfectly holds all the accessories and equipment required during the race. This bag makes it easy for you to transport and access to all your needs even in extreme conditions with clever storage for poles or technical jacket. Equipped with the Oxsitis® invention: the magnetic bib holder, this pack is the carrying solution for athletes without limits. Trail running bag recommended for sport in extreme conditions in hot weather.


  • Breathability and quick drying
  • FIT for women
  • Comfort and stability
  • Accessibility
Volume (liters)12
Weight (grams)220 (without accessories) – 280 with 2 x 500 ml softflask
Materials40D ripstop nylon, 1000mm waterproof
Coolmax 3D Mesh Technology
4way stretch - Elastane
YKK slides
SizeXS/S (< 1m65 / 1m65 / > 45kg)
SettingsAnatomical fit with unique adjustments: side velcros to adjust your bag according to its capacity and your size.
Pectoral and ventral adjustment, for a better distribution of the load on the back, and perfect stability, without hindering breathing.
CompartmentsLarge smartphone pocket (5'5) on the right shoulder strap, with passage for the headphones, and with self-locking slider.
Small ultra-quick access storage pocket for gels, bars, headband, on the top of the left shoulder strap of the bag.
Compartments accommodating 2 flexible 500ml flasks.
4way stretch material compartments, based on feedback from our elite athletes to transport their bars, gels, very easily accessible and without sloshing.
Central compartment easily accessible by a zipper. This central compartment is itself segmented by several independent compartments to easily store a water bag, but also small accessories to prevent them from sloshing in action.
4 Reflective loops for more security that allow you to attach a Mesh net accessory, to increase the volume of the bag if necessary
Quick access expandable pocket (top and side) on the back of the bag, which allows access to its contents without having to remove the bag. Ideal for storing a light jacket, or the possibility of using it as a quiver for poles.
2 adjustable magnetic bib holder positioned on the ventral adjustment strap of the backpack in order to secure and undo very easily and very quickly your bib in competition.
Hydration & accessoiresBag sold with 2 Flasks of 500ml. Compartment compatible to accommodate a 1 to 2L water pocket on the back. Reflective loops at the top of the straps to hold the tubes of Flasks or the water bag.
Bag fitted with the Easy Fix Pole Control pole holder quick-release system.
Bag sold with bib holder magnet.
SecurityOxsitis backpacks are equipped with an easily accessible whistle without putting down your bag and reflective strips offering 360 ° visibility, for added safety.

Size advice

Oxsitis backpacks are worn close to the body for maximum stability and comfort thanks to its breathable materials.

Take a tape measure and refer to the size guide for precise adjustment.


Oxsitis bags are made of technical materials with water repellent properties.

  • Hand washing
  • Ironing excluded
  • Machine drying excluded
  • Professional cleaning excluded
  • Money laundering excluded

Do not use laundry or detergent. Wash your bag with a soft sponge.