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Minimalist technical backpack for WOMEN with a storage capacity of 3 L, equipped with 2 500ml flasks, offering unique comfort thanks to its Coolmax® material that immediately evacuates heat from the body.

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he ATOM 3 W backpack is designed according to the female morphology. It is worn like a vest on the skin. It allows to meet the constraints of the most demanding athletes. This ultra-light backpack allows you to carry the essential equipment for the trail. Its Coolmax® All season material offers a unique comfort in the world. Its action optimizing the body’s thermoregulation makes it possible to improve its physical performance. Perfect balance between lightness and stability. Side Velcro to adjust your bag according to its capacity and size. This backpack is ideal for the Trail, but also for mountain biking, or Nordic skiing. A minimalist bag with a storage volume of 3L, equipped with 2 500ml flasks carried on the front of the bag. The accessories are quickly accessible and very well maintained. All you have to think about is running, this bag is being forgotten!


  • A Soft and Fresh Comfort
  • Cooling the body
  • Minimalist and ultra-lightweight
  • Quick and ergonomic access
Volume (litres)3
Weight (grams)170 (without accessories)
MaterialsCoolmax® all season3D Mesh for better regulation of body heat and optimal comfortNylon polyamide fibersElastane fibers
AdjustmentsAnatomical fit with unique adjustments: lateral velcros to adjust your bag according to its capacity and size.Pectoral and ventral adjustment, for a better distribution of the load on the back, and a perfect stability, without disturbing the breathing.
SizesXS/S (< 1m65 / < 45kg) – M / L (> 1m65 / > 45kg)
CompartmentsLarge smartphone pocket (5'5) on right shoulder strap.Small storage pocket with ultra-fast access for gels, bars, headband on the top of the left shoulder strap of the bag.Compartments with 2 flexible 500ml flasks.Compartments made of Elastane Bi-elastic material, resulting from the experience feedback of our elite athletes to transport their bars, gels, very easily accessible and without tossing.Expandable central compartment with quick access (top and side) that allows access to its contents without having to remove the bag. Ideal for storing a light jacket, mandatory equipment in nature racing, or possibility to use it as a quiver for sticks.4 Reflective loops for more security that allow you to attach a Mesh net accessory, to increase the volume of the bag if necessary.
Hydration & accessoriesBag sold with 2 500ml flasks. Delivered without any magnet bib race
SecurityFor increased safety, Oxsitis backpacks are equipped with a whistle that is easily accessible without putting the bag down and reflective strips.

Choosing the right size

Oxsitis backpacks are worn close to the body for maximum stability and comfort thanks to their breathable materials. This woman’s model has been modelled to fit the silhouette.

Sizes: XS/S(< 1m65 / < 45kg) – M/L (> 1m65 > 45kg)


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

  • Hand wash
  • Ironing excluded
  • Machine drying excluded
  • Professional cleaning excluded
  • Bleaching excluded

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

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