SERTIG TR LOW GTX MEN
If you are dissatisfied with the product, you may exchange it, provided it is unused (with the exception of cosmetic or medical products, which cannot be returned) and is in its original packaging as received.
Exchanges will be accepted within 15 calendar days of receipt. All return and shipping costs will be the customer's responsibility.
WOMEN'S Textile Size Equivalences
| XXS | XS | S | M | L | XL | 2XL | 3XL | |
|---|---|---|---|---|---|---|---|---|
| Spain | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| France | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| Italy | 38 | 42 | 42 | 44 | 46 | 48 | 50 | 52 |
| US | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
MEN'S/WOMEN'S footwear size equivalences
| 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FR | 36 | 36.5 | 37.5 | 38 | 39 | 39.5 | 40.5 | 41 | 42 | 42.5 | 43.5 | 44 | 45 | 45.5 |
| UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10.5 | 11 |
| USA Men | 4.5 | 5 | 5.5 | 6 | 6.5 | 7.5 | 8 | 8.5 | 9 | 10 | 10.5 | 11 | 11.5 | 12 |
| USA Women | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8.5 | 9 | 9.5 |
Textile Size Equivalents HOME
| XS | S | M | L | XL | 2XL | 3XL | |
|---|---|---|---|---|---|---|---|
| Spain | 46 | 48 | 50 | 52 | 54 | 56 | 58 |
| France | 46 | 48 | 50 | 52 | 54 | 56 | 58 |
| Italy | 48 | 50 | 52 | 54 | 56 | 58 | 60 |
| USA | XS | S | M | L | XL | 2XL | 3XL |
All orders will be shipped to the address indicated by the buyer. The order will be processed once payment has been made and payment confirmed. Shipments will be made daily, except on non-working days.
The order will be received at its destination under the following terms:
Spain and Portugal:
For shipments within the Peninsula, the order will be delivered by a courier company (SEUR or MRW) within 48-72 hours after payment confirmation from the bank (always considering working days and excluding local or national holidays in both the sending and receiving countries).
Shipping costs are automatically calculated through the website based on the destination country and will be detailed during the order process.
(Tècnic Esports reserves the right to change shipping prices, either due to annual price fluctuations by the courier company or due to a configuration error by the user; in this case, the customer will be notified before shipping.)
Shipping within the Iberian Peninsula will be free for orders over €50.
Europe:
For these orders, shipping will be made via regular mail (LA POSTE) within 2-5 days after confirmation of payment by the bank (always considering business days and excluding local or national holidays in both the sending and receiving countries).
Shipping costs are automatically calculated on the website based on the destination country and will be detailed during the order process.
Tècnic Esports reserves the right to change shipping prices, either due to annual price fluctuations by the courier company or due to a configuration error by the user. In this case, the customer will be notified before shipping.
Shipping will be free for orders over €100.
The Mammut Sertig TR Low GTX is the Swiss brand's first trail running shoe, built for mid-distance runs across mixed mountain terrain. Its GORE-TEX® Invisible Fit membrane keeps feet dry and breathable in any condition, while the Mammut Swiss Design outsole delivers reliable grip and a responsive feel with every stride.
GORE-TEX® Invisible Fit waterproofing
The GORE-TEX® Invisible Fit membrane is laminated directly to the upper material, delivering waterproof, breathable protection without adding extra weight, keeping feet dry through long training sessions in wet or changeable conditions.
Cushioned, high-rebound midsole
The high-rebound EVA midsole delivers protective, effective cushioning with every footstrike, while TPU heel reinforcements add extra stability and a secure, anatomical fit.
Quick lacing and breathable upper
The Air-Mesh upper keeps the forefoot ventilated, complemented by a lightweight protective toe cap and a Quicklace-style quick lacing system that lets you adjust and readjust the shoe without losing time.

FEATURES
- Waterproof, breathable GORE-TEX® Invisible Fit membrane
- Abrasion-resistant Mammut Swiss Design outsole with multidirectional grip
- High-rebound EVA midsole for effective cushioning
- Heel stabilized with TPU reinforcements
- Breathable Air-Mesh upper with lightweight protective toe cap
- Quicklace-style quick lacing system for instant adjustment
- Synthetic sockliner
- Recycled materials and PFC/PFAS-free DWR treatment
SPECIFICATIONS
GENDER:
Men
HEIGHT:
Low
DROP:
8 mm
SINGLE SHOE WEIGHT:
310 g
WATERPROOFING:
GORE-TEX® Invisible Fit
OUTSOLE SEGMENT:
Mammut Swiss Design
LACING:
Quick lacing system (Quicklace)
TERRAIN:
Trail running on mixed mountain terrain
MATERIAL
SOCKLINER:
Synthetic
LINING:
Breathable Air-Mesh with laminated GORE-TEX® Invisible Fit membrane
OUTSOLE:
Abrasion-resistant Mammut Swiss Design rubber
MIDSOLE:
High-rebound EVA with TPU-stabilized heel
UPPER:
Air-Mesh, polyester, polyurethane and synthetic textiles with protective toe cap
TECHNICAL INFORMATION
- GORE-TEX® Invisible Fit: Waterproof, breathable membrane laminated directly to the upper material, reducing weight, limiting pressure points and delivering durable protection against water.
- Mammut Swiss Design: Abrasion-resistant rubber outsole developed by Mammut, delivering a responsive feel and reliable grip on mixed mountain terrain.
- Quicklace system: Quick adjust-and-readjust lacing that secures the foot without tying and untying traditional laces.
- High-rebound EVA: Lightweight, protective midsole foam that delivers a more agile stride and effective cushioning over mid-distance routes.
- TPU heel reinforcements: Stabilizing elements at the heel that add support and match the foot's anatomy for a more secure fit.
| Color | |
| COLOR | DARK TANGERINE-BLACK |