Same shoes, same brand, different color? Which one to keep?

ECCO MEN'S TRACK 25 WATERPROOF LEATHER BOOT They are an Ecco Track 25m, got them from outlet. I don't know which one is the older, but the right one seems more darker brown. The right one's color more like the ecco website: https://ca.ecco.com/en/ecco-mens-track-25-waterproof-leather-boot-83186460529.html?dwvar_83186460529_color=60529 The left one's color more like other websites photo: https://www.schuhe.kaufen/ecco-track-25-83186460529-hell-braun-stiefelette-fuer-herren-11645 It is the same SKU 83186460529.

ECCO MEN'S TRACK 25 WATERPROOF LEATHER BOOT

Shop ECCO MEN'S TRACK 25 WATERPROOF LEATHER BOOT at ECCO® Shoes - Premium Quality And Comfort ✓ Secure Payment ✓ Free Shipping Over $150.

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Ecco TRACK 25 83186460529 hell-braun - Stiefelette für Herren

Hersteller: Ecco Hersteller Art-Nr.: 83186460529 Modellname: TRACK 25 - MEN´s Machart: Herren Stiefelette - Stiefeletten, Trekking / Wanderschuhe Farbe: hellbraun + Nähte in…