Birkenstock's Zermatt Rivet exemplifies alpine-inspired comfort with its split felt and fur construction, delivering warmth without compromise. The signature contoured footbed provides anatomical support, while rivet detailing adds understated sophistication. Beryl's cool undertone complements both neutral and jewel-toned seasonal palettes. Unisex sizing accommodates diverse preferences, making this a versatile choice for those seeking premium craftsmanship and enduring style in cold-weather footwear.