Dynafit Ultra 100 GTX running shoe

40
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Delivered between 3.1.2026 and 8.1.2026
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Product details

The waterproof Ultra 100 GTX for men is the perfect running shoe for long runs in any weather, thanks to its comfortable fit and maximum cushioning.

This lightweight shoe guarantees the highest level of comfort, protection, and stability without sacrificing responsiveness and durability. No matter where you are or how long you’re out, the Ultra 100 GTX is always a reliable companion on the trails. With the integrated waterproof GORE-TEX Invisible Fit membrane, your feet stay dry even in harsh conditions or wet terrain.

With its maximum volume, the shoe offers a precise fit while allowing enough room for optimal blood circulation and counteracting swelling during long runs. The development of the Ultra 100's midsole focused on the cushioning necessary for long distances. Together with the POMOCA outsole, ultrarunners get a well-cushioned shoe that guarantees optimal glide and roll behavior with perfect grip—on any surface and in all weather conditions. The dynamic drop is six millimeters, aligning with the preferences of most ultrarunners.

The Ultra 100 GTX can be individually and precisely adjusted through classic lacing. A special elastic cover for the laces, known as the Invisible Lacing System, provides additional protection and prevents pesky stones and dirt from entering the shoe.

Another feature of the Ultra 100 GTX is the DYNAFIT Heel Preloader technology, a diagonal reinforcement at the heel that enhances support and fit.

Ultra 100 GTX – perfectly equipped for long trail adventures in any weather.

Key specifications

Colour
Black
Target group
Men
Purpose
Trail running
Item number
20420629

General information

Manufacturer
Dynafit
Category
Running shoes
Release date
6.4.2022

Colour

Colour
Black
Exact colour description
CarbonNeon Yellow (7808)

Material

Material group
Plastic
Material
EVAPolyesterPolyurethaneRubber
Upper
Fabric
Lining
Fabric

Target group

Target group
Men
Age group
Adults

Shoe properties

Purpose
Trail running
Fabric properties
Waterproof
Toe
Round
Shoe size (EU)
40
Fastener
Lace fastening
Membrane
Gore-Tex
midsole
Ortholite insole

Origin

Country of origin
Germany

Sustainability

Manufacturer commitment
Fair wearRE100

Voluntary climate contribution

Manufacturer compensation
According to RE100, the manufacturer Dynafit fully compensates for its energy consumption, leading to a reduction in emissions.
CO₂-Emission
Climate contribution

30-day right of return and free return shipment
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Running shoes» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Xero Shoes
    0 %
  • 5.Altra
    0.1 %
  • 6.Dynafit
    0.2 %
  • 6.New Balance
    0.2 %
  • 8.ASICS Performance
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Dynafit
    Not enough data
  • 1.On Running
    0 days
  • 2.ASICS Performance
    1 day
  • 3.La Sportiva
    5 days
  • 4.Saucony
    6 days

Return rate

How often is a product of this brand in the «Running shoes» category returned?

Source: Digitec Galaxus
  • 18.Altra
    27 %
  • 19.Norda
    30.6 %
  • 20.Xero Shoes
    35.1 %
  • 21.Dynafit
    36 %
  • 22.Topo Athletic
    41.1 %
Source: Digitec Galaxus

Translation: machine translated
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RUNNERS WORLD Logo
RUNNERS WORLDSportschuh im TestReleaseSeptember 2025

The Trail model from Dynafit is designed for door-to-trail use: The well-cushioned midsole is typical of this. Its foam is designed for high running comfort - but remains clearly on the trail shoe side and does not build up too high, so the risk of twisting your ankle is low. The lacing offers good support on downhill runs, but the shoe collar closes high on the ankle...