MEN’S 3 SEASON mountaineering BOOTS LIGHT

Ref :
Key feature
Light boots for technical alpine routes. Its construction, which includes HDry® membrane, guarantees optimal waterproofing and breathability. Comfortable thanks to excellent foot support
Users reviews
3.79 / 5 123 ratings


Products benefits

Waterproof and breathable OutDry® membrane.
Vibram outsole for excellent grip and traction with a climbing zone.
1420 g the pair in size 8 1260 g the pair in size 5
Foam heel made from injected PU that guarantees excellent heel support.
Boots are compatible with strap on and semi step-in crampons
Dual density EVA midsole for extra heel cushioning.
Impact protection
Stone guard band all around boot contour for protection and durability
Remove the insert under the lining for a half-size increase.


7 to 11
Upper of : 40.0% Polyester (PES), Upper of : 40.0% Polyurethane (PU), Upper of : 20.0% Rubber - Butadiene Rubber (BR) Outer sole of : 50.0% Ethylene Vinyl Acetate (EVA), Outer sole of : 50.0% Rubber - Butadiene Rubber (BR) Lining and sock of : 100.0% Polyester (PES)
Approved by
Team SIMOND mountaineers and mountain guides.
Our mountaineering boots are designed in the Chamonix valley, at the foot of the Mont Blanc. Our technical partners take part in the development phases and test them on the ground to put the technical product claims and durability to the test
Designed to :
demanding mountaineers looking for versatile 3 season boots for technical, mixed and alpine climbing routes.
2 years


Storage Tips
In a ventilated and dry place.
Not suitable for mountaineering in winter or high altitude.

Additional information

Vibram® Mulaz sole with thick deep lugs. Multi-directional helical shaped central notches for increased for improved efficiency climbing and descending. Climbing zone at tip for extra grip. Dual density EVA foam midsole (very good shock absorption). TPU heel insert compatible with strap-on and semi step-in crampons.
- Polyester and PU synthetic textile for an excellent balance between lightness and durability. - Edge of the upper in PU - Membrane OutDry® exceptional watertightness and breath-ability. - External protection band around the entire contour of the shoe (stone guard). - Quick lace system with intermediate auto-locking loop (more precise lacing), lacing-integrated heel locking system (great on descents). - Injected PU foam in heel keeps your heel exactly in place. - Leather reinforcement
- Breathable, thermal PE foam
Adapt the shoe to your foot:
- The white lining can be removed for a half-size increase. Example: For a size 42 shoe with lining, if you remove the lining, it will size 42.5.

Users reviews

3.79 / 5 123 ratings
84 users recommended this product

At Decathlon, reviews are reliable.

  • Man
    +60 years old
    23 September 2019
    Use since 1 week or less
    That review has been deposited on this product version
    Ankle joint pressure and breathability - issues

    I have bought many Simond products from Decathlon and reading the specification and reviews was very hopefull these boots would be a good purchase. I have used the boots for a recent 3 day walk across the English Lake District and found that the foam inner cusioning puts pressure on the outer ankle joint/ligaments and despite trying all sorts of adjustments it becomes terribly painful to wear them, this applies to both boots. (Btw: I do not have anything strange abaout my ankles and none of my other boots have caused this issue). Perhaps even worse is that the boots do not let the sweat out efficently enough, after a few hours the boot inners and socks got soaked throughout, it seems like the Outdry membrane is fine keeping the water out but is not able to cope with letting the sweat out (btw: I am quite fit and not considered a sweaty person!). Apart from these issues the boots are well made, light and have an excellent sole unit, but.... they are not for me :-(

  • Woman
    30-39 years old
    23 September 2019
    Use since 3 to 6 months
    That review has been deposited on this product version
    Very uncomfortable

    I bought these purely for the ankle support and that they could be used for all types of walking/hiking and I expected some discomfort in breaking them in but 5 months on these boots are crippling my feet!!! I get a lot of pain across my toes and I have lost two nails due to them rubbing, especially on decent. I am now considering replacing these as I am unable to enjoy my hiking due to the pain and discomfort, given this price this is NOT ideal to be replacing them 5 months on.

    Brand response :

    Hi Emma,

    The 3 season mountaineering light boots are not really designed for normal hiking. Their intended use is for summer time mountaineering where you need a very stiff sole to fit a crampon or allow for climbing.

    For regular hiking however the sole will be too rigid and make walking on normal terrain difficult.

    Hope this helps

    Joseph Sutton | UK Product Expert

  • 03 June 2019
    Use since 2 to 8 weeks
    That review has been deposited on this product version
    I highly recommend

    I highly recommend these boots. I tested them for over 2 months in various areas. very good on on a rocky ground. very light and comfortable. 100% waterproof. I tested them for a few hours in the marshy terrain. feet remain dry even after long walks on the mountain stream. good adhesion to different types of substrate (wet rock, snow, wet grass, soil, stones). very good ventilation. the feet almost do not sweat even after a 15 km route in the mountains. I really recommend it.