X CxM Sierro 2026
Mandatory gear
The X CxM Sierro organisation requires you to carry this gear during the race. Non-compliance may result in time penalties or disqualification. Always check the official rules before the race, as the list may change between editions.
The emergency kit for X CxM Sierro: 3 pieces and done
These 3 pieces cover the race safety gear. Together they cost €130.84 and take a minute to buy; the rest of the list is explained below.
Prices may vary. Check the store for the current price.
Mandatory gear — X CxM Sierro
| Item | Notes | Qty | Distances |
|---|---|---|---|
✓ Windproof jacket  Salomon Bonatti WP View on Amazon →(opens in a new tab) | Recommended for the 09:00 start and exposed ridge zones | 1 | All distances |
✓ Water reserve  MARLOAR Soft Flask 500 ml (Pack of 2) View on Amazon →(opens in a new tab) | Aid stations exist, but May heat in Almería demands autonomy | 1 | All distances |
✓ Charged mobile phone  Running Waist Pack with Phone Pocket View on Amazon →(opens in a new tab) | For emergencies on remote sections of the course | 1 | All distances |
Which vest do you need for X CxM Sierro?
With 24 km on the longest distance and this mandatory gear list, you need a 5 L vest. These are our picks:
💡Tip: check your gear several days before the race. Never use anything new on race day.
Recommended products to meet mandatory gear requirements
Salomon
MandatorySalomon Bonatti WP
Ultralight waterproof windproof jacket (135 g). Taped seams, adjustable hood and back ventilation. Packs into its own pocket.
View on Amazon(opens in a new tab)MARLOAR
MandatoryMARLOAR Soft Flask 500 ml (Pack of 2)
Two-pack of 500 ml BPA-free silicone soft flasks for running, trail, cycling and hiking. Wide mouth for fast refills, they collapse as you drink, and the per-bottle price is a fraction of the branded ones, so you can rotate and replace them without a second thought.
Strengths
- +Two units for the price of one branded flask
- +500 ml: cover a long run without refilling as often
- +BPA-free silicone, dishwasher safe
Watch out for
- −Silicone is heavier and tastes slightly more than branded TPU flasks
- −Lower valve flow: a bit harder to drink on a climb
Generic
MandatoryRunning Waist Pack with Phone Pocket
Lightweight running belt with phone compartment and transparent touchscreen window. Quick access to GPS and track without stopping. Adjustable, breathable and bounce-free. Ideal for trail running and hiking.
View on Amazon(opens in a new tab)
Salomon
Salomon Speedcross 6
Salomon's most versatile trail shoe, ideal for technical terrain and mud. Exceptional grip with Contagrip sole and EnergyCell+ cushioning.
Strengths
- +Exceptional grip in mud and technical terrain
- +Reinforced toe protection
- +Comfortable and quick Quicklace system
- +Efficient water drainage
Watch out for
- −Average durability on pavement
- −Somewhat narrow fit for wide feet
Salomon
Salomon ADV Skin 12
12-litre hydration vest with SensiFit system. Two 500 ml front soft flasks included. Easy-access pockets and a close, bounce-free fit.
View on Amazon(opens in a new tab)
Salomon
Salomon Soft Flask 250 ml
Collapsible 250 ml soft flask with a high-flow valve and a wide 42 mm mouth for fast refills at aid stations. It shrinks as you drink, fits the front pocket of any vest and weighs just a few grams empty.
Strengths
- +High-flow valve: quick sips without hard biting
- +42 mm mouth, easy to refill and to drop in ice or tablets
- +Folds down to almost nothing when empty
Watch out for
- −Pricier than generic Amazon flasks
- −The valve can drip slightly if not fully closed
Leki
Leki Ultratrail FX.One
Foldable trail running poles in 3 sections (110-130 cm). Ultralight carbon (175 g per pole), compact 38 cm folded. Speed Lock 2 locking system.
View on Amazon(opens in a new tab)Buying guides to choose well
Want to know more? Read our complete guide to mandatory gear for ultra trail.
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