Hello everyone, I'm very interested in getting these boots in Gravel Brown/Rubix Red, but first I'd like to make sure if the upper is in leather (as shown in picture) or suede (as described). Could anybody tell me? Thanks in advance!

Tech Specs:

Material:

[Upper] Nubuck and suede leather; [Insert] Dri-Lex fleece, AgION antimicrobial dual-density X-2 footbed 

Insulation:

200g PrimaLoft Eco insulation 

Sole:

[Midsole] Compression-molded EVA, [Outsole] TNF Winter Grip rubber 

Lacing:

Standard 

Weight:

[Pair, size 7] 2lb 9oz (1.16kg) 

Recommended Use:

Cold-weather footwear 

Manufacturer Warranty:

Lifetime 

Country of Origin:

China