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CheckoutPOLYPROTECT LEATHER
What it isGenuine leather with a protective surface layer.
What you getFewer creases and cracks; dirt and road salt wipe off easily.Grunberg Footwear Technology: 10 Comfort Technologies
Technology · 7 min readGRUNBERG10 comfort technologies
What is behind names like Thermosave, NanoTex and 3D Filon, and how they work in a real pair. We explain each technology in plain words and show the models you can buy right now.
How it worksModels in stock10technologies
4zones of a shoe
3insole types
24models in stock
About the brand
According to the brand, Grunberg was created in Italy in 2007 as an everyday footwear label focused on technology. The country of manufacture of each pair is listed on its product page.
Upper
4 technologiesThe material you see, and the first to meet rain, sun and abrasion.
MICROPOLYTEX
What it isA polyester-cotton microfibre that looks like suede or smooth leather.
What you getResists abrasion, breathes and needs no special care.FL
What it isA hypoallergenic machine-knitted upper.
What you getLight and ventilated, barely noticeable on the foot.OXFORD
What it isA dense fabric woven from fine, tightly interlaced threads.
What you getSoft yet hard-wearing; repels moisture.Water protection
1 technologyThe layer between upper and lining that decides whether your feet stay dry.
NANOTEX
What it isA two-component membrane between the upper and the lining.
What you getKeeps water out and moves moisture away from the foot.Where to find it:6089Warmth
1 technologyInsulation that warms without making your feet sweat.
Base
4 technologiesSole and insole: they decide how your feet feel by evening.
3D FILON
What it isA light, springy material for the sole and insole base.
What you getCushions each step, keeps its shape and resists wear.LAYERED SOLE
What it isA multi-layer sole: a 3D Filon layer plus a thermoplastic outsole.
What you getLightness and cushioning on top, reliable grip below.AIR TECHNOLOGY
What it isBreathable insoles that adapt to the shape of your foot.
What you getLess fatigue, even after a full day on your feet.INSOLES
What it isThree insole types: leather, cotton textile and absorbent, on a 3D Filon base.
What you getFront perforation ventilates the foot and prevents condensation.Which technology for what
Look for the marks that match your weather and your day. Scroll the table sideways on mobile.
| Technology | Slush | Frost | Warm weather | All day on your feet |
|---|---|---|---|---|
| POLYPROTECT LEATHER | ||||
| MICROPOLYTEX | ||||
| FL | ||||
| OXFORD | ||||
| NANOTEX | ||||
| THERMOSAVE-D | ||||
| 3D FILON | ||||
| LAYERED SOLE | ||||
| AIR TECHNOLOGY | ||||
| INSOLES |
Grunberg models in stock
24 pairs where these technologies are already at work. Tap a photo to take a closer look.
Winter
10 modelsWool and fur-lined boots, NanoTex membrane, Thermosave insulation.
WoolQuick viewWhite winter bootsGrunberg · 6088
Gore-TexQuick viewBeige Gore-Tex bootsGrunberg · 6089
TermotexQuick viewGrey trend bootsGrunberg · 6067
TermotexQuick viewBlack insulated sneakersGrunberg · 6076
FurQuick viewKhaki fur-lined bootsGrunberg · 6086
WoolQuick viewBrown wool-lined bootsGrunberg · 6084
WoolQuick viewKhaki wool-lined bootsGrunberg · 6083
WoolQuick viewBlack wool-lined bootsGrunberg · 6082
WoolQuick viewBlack wool-lined bootsGrunberg · 6085
WoolQuick viewBlack wool-lined bootsGrunberg · 6081
Sneakers
11 modelsLeather, textile and trekking models for the mid-season.
LeatherQuick viewWhite leather sneakersGrunberg · 5801
Mid-seasonQuick viewWhite fashion sneakersGrunberg · 5799
Mid-seasonQuick viewBeige fashion sneakersGrunberg · 5798
TextileQuick viewBeige textile sneakersGrunberg · 5648
LeatherQuick viewWhite leather sneakersGrunberg · 5825
LeatherQuick viewBlack leather sneakersGrunberg · 5824
LeatherQuick viewBlack leather-textile sneakersGrunberg · 5831
LeatherQuick viewLight leather-textile sneakersGrunberg · 5830
LeatherQuick viewWhite leather-textile sneakersGrunberg · 5832
TrekkingQuick viewBlack trekking sneakersGrunberg · 5821
TrekkingQuick viewBlack-grey trekking sneakersGrunberg · 5822
Slip-ons
3 modelsLight lace-free models for warm days.
No models match this filter.
Caring for the materials
Polyprotect leather
Wipe with a damp cloth and apply leather cream or spray every 2–3 weeks.
Micropolytex and textile
Clean with a dry brush or a slightly damp sponge. A washing machine will distort the shape.
NanoTex membrane
Dry away from radiators. Water-repellent spray does not harm the membrane.
Insoles
Take them out and air them after each day, especially in winter.
FAQ
Is Grunberg really an Italian brand?
The brand presents itself as Italian, created in 2007. Where each pair was made is listed on its product page.
Can I dry membrane shoes on a radiator?
No. Intense heat damages the membrane, glue and leather. Dry at room temperature with the insole removed.
Can textile sneakers go in the washing machine?
We advise against it: the drum and heat deform the sole and heel counter. Hand-clean with a brush and a mild cleaner instead.
How do I pick the right size?
Compare your foot length with the insole length listed on the product page. For winter models, leave 0.5–1 cm for a warm sock. Learn more
What if the pair does not fit?
You can exchange or return it within 14 days. Nova Poshta delivery takes 1–3 business days. Learn more
Feel the technology yourself
Try Grunberg on at KLASS mall in Kharkiv or order online with 1–3 day delivery.
Grunberg catalogueWomen's sneakersMen's sneakers
2026-08-19 10:00:00
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