NK ACG Mountain Fly Low GTX SE black white grey red EU 36-46 trail

The NK ACG Mountain Fly Low GTX SE in black, white, grey, and red is a trail-ready sneaker that blends rugged durability with urban versatility. Designed for outdoor enthusiasts, this low-top version of the iconic Mountain Fly features a waterproof GORE-TEX membrane, ensuring your feet stay dry in wet conditions. The shoe’s upper combines breathable mesh with synthetic overlays for a secure, supportive fit, while the aggressive rubber outsole delivers exceptional traction on loose gravel, muddy paths, and rocky terrain. The ACG (All Conditions Gear) lineage shines through in its robust construction, reinforced toe cap, and protective mudguard, making it ideal for hiking, trail running, or everyday wear in unpredictable weather.

How to Style It

Because the NK ACG Mountain Fly Low GTX SE keeps its color blocking close to the original, it works with retro sportswear just as well as with modern minimal outfits.

For a clean everyday look, wear the NK ACG Mountain Fly Low GTX SE with tapered trousers and a plain tee, and let the colors do the talking.

In summer, the NK ACG Mountain Fly Low GTX SE pairs naturally with shorts and light chinos; in winter it holds its own under wool coats and flannel.

Design & Materials

The heel counter on the NK ACG Mountain Fly Low GTX SE is firm without being rigid, locking the rearfoot in place during quicker movements.

Perforations and mesh zones on the NK ACG Mountain Fly Low GTX SE move air around the foot, keeping things cool through a full day of wear.

The padded collar and tongue of the NK ACG Mountain Fly Low GTX SE cushion the ankle without adding bulk around the Achilles.

Everyday Use

As a casual everyday shoe, the NK ACG Mountain Fly Low GTX SE needs no special care routine - a soft brush and mild soap keep it fresh.

The NK ACG Mountain Fly Low GTX SE is a strong first replica pick too: the silhouette is iconic, the fit is forgiving, and the black, white, grey and red colorway matches nearly everything.

Travelers like the NK ACG Mountain Fly Low GTX SE because it is light in the bag, comfortable for long sightseeing days and versatile enough for dinners out.

Comfort & Fit

Flex grooves in the outsole let the NK ACG Mountain Fly Low GTX SE bend naturally at the toes, so your stride never feels fought by the shoe.

The midsole of the NK ACG Mountain Fly Low GTX SE is tuned for everyday trail use - soft enough for long walks, stable enough for a full day of errands.

Arch support on the NK ACG Mountain Fly Low GTX SE sits in the middle: noticeable, but not aggressive, which suits most foot types.

Sizing Guide

EU 36-46 covers the range most people need, and the NK ACG Mountain Fly Low GTX SE stays consistent across the size run.

Length-wise the NK ACG Mountain Fly Low GTX SE matches standard EU sizing, and the shape leaves a comfortable thumb width of space at the toes.

Compared with other trail sneakers, the NK ACG Mountain Fly Low GTX SE needs no sizing adjustment - order your usual EU size.

Quality, QC Photos & Shipping

Every NK ACG Mountain Fly Low GTX SE pair from BAUNSU SHOES is a premium build - checked against the retail version for shape, color placement and materials before it ships.

If anything about your NK ACG Mountain Fly Low GTX SE is not right on arrival, our return policy covers you - the goal is a pair you actually enjoy wearing.

We photograph each pair in detail before dispatch, so you can review the actual QC photos of your NK ACG Mountain Fly Low GTX SE rather than stock images.

Frequently Asked Questions

How fast is shipping and is it tracked?

Shipping is free and fully tracked worldwide. Most orders are processed quickly after QC confirmation, and the NK ACG Mountain Fly Low GTX SE is packed in protective inserts so it arrives in perfect shape.

Can I return the NK ACG Mountain Fly Low GTX SE if something is wrong?

Yes. If the pair arrives with any defect or does not match the QC photos, contact support and the return policy covers a replacement or refund.

Is the NK ACG Mountain Fly Low GTX SE true to size?

Yes. The NK ACG Mountain Fly Low GTX SE fits true to size across EU 36-46. If you are between sizes or plan to wear thick socks, take the half size up. The lacing system also lets you adjust midfoot tightness.

If the NK ACG Mountain Fly Low GTX SE fits your rotation, you can find it in the shop alongside the rest of our sneaker lineup.