Is the shop legit? Are the products at authentic?

Yes. WOWSOLE.COM is legit and all the products at the shop are 100% authentic. You can check the authenticity at LiNing official website:

You could check the authenticity of the product here by input the 12 Colored Digitals Anti-counterfeiting codes under the QR code. Comparing the 12 Digitals shown here with the 12 Digitals under the QR code, they should match each other in both NUMBERS and COLORS.

You could also check the authenticity by 16-digit number inside of the shoe tounge or on the shoe box.