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Men's running shoes Joma Sierra – designed for trail running, offering cushioning and stability on rough terrain. The aggressive outsole tread provides grip, and the lightweight construction enhances comfort. Perfect for mountain trails and forest paths.

Basic data

Brand Joma
Country of origin of the brand Spain
Sport Running
Gender Male
Season Year-round
Leading colour Green
Model/product code Sierra TKSIES2521
Type of Product Neutral
Purpose Training
Code 2000145005

Purpose

Type of surface Site

Outsole

Outsole Rubber, DURABILITY
Midsole Fly Reactive
Drop 7 mm

Outsole

Upper material Synthetic, Textile
Upper width Standard

Protection

Waterproof No
Breathability Yes

Additional information

Fastening type Laces
Reinforcements At the toes
Technologies Durability, VTS, JOMA SPORTECH, FLY REACTIVE, Joma PROTECTION

Warnings and producer's data

Producer Joma Sport S.A. | Calle Albacete, 18 45680 Portillo de Toledo (Toledo) Hiszpania | atencioncliente@joma-sport.com

Men's Joma Sierra grey running shoes (TKSIES2521)

Men's running shoes Joma Sierra grey are professional footwear designed for runners who prefer neutral training shoes on varied terrain surfaces. Thanks to advanced technologies and carefully selected materials, these shoes provide comfort and efficiency during training.

Material and Construction

The upper of the Joma Sierra grey shoes is made from a combination of textile and synthetic materials, ensuring lightness and durability. Additional reinforcements at the toes increase protection against mechanical damage and extend the lifespan of the footwear. The standard width of the upper allows for a comfortable fit to the foot, which is important during long runs.

Sole and Cushioning

The outsole made of rubber is enhanced with DURABILITY technology, which increases its abrasion resistance, providing longer durability and better grip on varied surfaces. The midsole uses Fly Reactive technology, responsible for proper cushioning and shock absorption, which is crucial for joint protection during running. A 7 mm drop supports the natural rolling of the foot.

Technologies and Functionalities

The Joma Sierra grey shoes are equipped with a range of technologies that improve their functionality. VTS technology ensures optimal ventilation, keeping feet dry and fresh even during intense physical effort. The JOMA SPORTECH system strengthens the shoe's construction, offering additional protection and stability. Meanwhile, Joma PROTECTION technology increases resistance to mechanical damage.

Other Specifications

These shoes are designed for runners who value breathability, made possible by the materials and technologies used. The lace-up closure allows precise adjustment of the footwear to the foot, which is important for comfort and stability during running. 

Summary

Men's running shoes Joma Sierra grey are a thoughtful choice for those seeking neutral training footwear for off-road surfaces. Thanks to the use of modern technologies and durable materials, these shoes provide comfort, protection, and performance, which are key for every runner. The Joma brand guarantees high quality craftsmanship and reliability of its products.

Advantages

Breathability
The materials used in this model are highly breathable, meaning that moisture is effectively wicked away, leaving the inside of the running shoe dry and comfortable.
Adhesion
The sole construction used is distinguished by its high traction coefficient, which allows stable stepping when running in adverse weather conditions or over difficult terrain.
Depreciation
The sole material provides excellent cushioning and high energy return to make your run comfortable and safe, no matter what terrain you[re on.
Neutral foot
The shoes are designed for people with neutral feet, who do not require additional support or elements to correct rolling, as this type of foot distributes weight evenly.
Tread
The outsole features an advanced tread pattern that allows for stable footing, regardless of the surface, making it possible to run on uneven terrain and in inclement weather.
Durability
The use of strong and damage-resistant rubber in the construction of sportswear and footwear, which provides high durability and improves their lifespan.
VTS
A specialised ventilation system that is responsible for wicking moisture to the outside and providing excellent thermal insulation.
JOMA SPORTECH
Technology from the JOMA brand that is responsible for the optimal fit of the shoe upper to the foot. It is based on synthetic inserts made of heat-sealed rubber, without seams for maximised comfort, lightness and performance.
FLY REACTIVE
It is a mechanism located in the central part of the sole, constructed from a lightweight and reactive material that deflects significant amounts of energy with each contact with the ground. Thanks to its resilience and light weight, it instantly returns to its initial state, maximising the efficiency of the foot's movement during each step.
Joma PROTECTION
The PROTECTION system in Joma shoes enhances foot safety by adapting materials and construction to the wearer's needs. It protects against injury while providing comfort and durability during intensive use. It is ideal for those who require extra support and protection during sporting activities.
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Men's Joma Sierra grey running shoes

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Size Sizes table
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Sizes table

    Below you will find information that will help you choose the right size when buying Joma brand shoes. All you will need is a tailor's tape measure.

    EU size 36 37 37,5 38 39 40 40,5 41 42 42,5 43 43,5 44 44,5 45 46 47
    AB Foot length (cm) 22,6-23,2 23,3-23,6 23,7-23,9 24-24,5 24,6-25,2 25,3-25,6 25,7-26,2 25,9-26,5 26,6-26,9 27-27,3 27,3-27,6 27,7-27,9 27,9-28,3 28,4-28,8 28,8-29,2 29,3-29,8 29,9-30,5


    When shopping for Joma brand shoes, we recommend choosing a smaller size due to oversized sizing.

    How to measure the length of your foot - instructions in 4 steps

    1. Prepare a sheet of paper and set it on a hard, non-slippery surface - it is best to tape it to the floor.

    2 Stand barefoot on a piece of paper - distribute your body weight evenly and set your foot straight.

    3. Mark the tip of the big toe and the back of the heel - preferably holding the pencil vertically.

    4. Take off the foot and measure the distance between the marks - this is the length of the foot. Repeat for the other foot and choose a larger measurement, matching it to the size chart.

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