Isasa Trail Xtrem 2027

Mandatory gear

3 items46km · 2,600m D+3 distances

The Isasa Trail Xtrem 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 Isasa Trail Xtrem: 3 pieces and done

These 3 pieces cover the race safety gear. Together they cost €42.76 and take a minute to buy; the rest of the list is explained below.

Fox 40Fox 40 Classic11,88 €View on Amazon

LifesystemsLifesystems Thermal Blanket8,99 €View on Amazon

TatonkaTatonka First Aid Basic21,89 €View on Amazon

Prices may vary. Check the store for the current price.

Mandatory gear — Isasa Trail Xtrem

Item	Notes	Qty	Distances
✓ Charged mobile phone Running Waist Pack with Phone Pocket View on Amazon →(opens in a new tab)	Fully charged with emergency number saved	1	All distances
✓ Reusable cup Salomon Soft Flask 250 ml View on Amazon →(opens in a new tab)	For aid stations	1	All distances
✓ Emergency whistle Fox 40 Classic View on Amazon →(opens in a new tab)	—	1	All distances

Which vest do you need for Isasa Trail Xtrem?

With 46 km on the longest distance and this mandatory gear list, you need a 8-10 L vest. These are our picks:

Our pick

Salomon Active Skin 8View on Amazon

AONIJIE Hydration Pack 10LView on Amazon

Nathan VaporAiress 2.0 7L (Women's)View on Amazon

See the full trail running vest comparison →

💡Tip: check your gear several days before the race. Never use anything new on race day.

Check the official rules — Isasa Trail Xtrem

Recommended products to meet mandatory gear requirements

Generic

Mandatory

Running 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

Salomon

Mandatory

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

View on Amazon

Fox 40

Mandatory

Fox 40 Classic

Emergency whistle with no internal part; works when wet and muddy. 115 dB sound audible from far away. The standard in mountain races.

View on Amazon

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

View on Amazon

Salomon

Salomon Bonatti WP

Ultralight waterproof windproof jacket (135 g). Taped seams, adjustable hood and back ventilation. Packs into its own pocket.

View on Amazon

Petzl

Petzl Actik Core

Rechargeable 600-lumen headlamp with the Core battery included. Compatible with AAA batteries. Red mode to preserve night vision. Ideal for ultras with night sections.

View on Amazon