ECCO BIOM 2.1 MOUNTAIN Ws LOW SAGE/SAGE/STEEL

Live fast in the ECCO BIOM 2.1 X MOUNTAIN, an athletic hiking shoe with the stability for longer, more challenging trails. With its reinforced sole construction, rock plate and ECCO PERFORMANCE RUBBER+ outsole, this fast-hiking product lets you move quickly on more demanding terrain. Built for speed, this waterproof shoe has BIOM® NATURAL MOTION® Technology and a PHORENE™ midsole. For sporty style on the go, the upper is fashioned from a mix of ECCO nubuck leather and a textile with an original print inspired by nature, while the reflective details add visibility.

— Sporty mix of ECCO nubuck leather made in ECCO's gold-rated tanneries and a premium textile with an original print inspired by nature

— PFC-free waterproof membrane keeps your foot dry and cosy

— BIOM® Technology encourages your foot to move more naturally and efficiently, and has an anatomical fit, plus a low profile that lets you feel connected to the ground

— Soft and ultra-light PHORENE™ midsole delivers energy return and bounce while the OrthoLite® UltraLite insole also adds lightweight comfort

— Reinforced sole construction for extra stability, along with a rock plate to protect your foot from stones and rocks

— Innovative cleats on the ECCO PERFORMANCE RUBBER+ outsole, which offers grip, multi-directional traction and stability

Optimal fit in two widths

Birkenstock footwear is engineered for support and is built on a generous footbed for maximum comfort. The straps enable personalized fit adjustment. The footbed is designed for a roomy fit. The Medium/Narrow fits the vast majority of women’s feet. We find certain thong styles fit most women comfortably in the Regular/Wide footbed.

REGULAR / WIDE

Women's width
equivalent: C-D

Men's width
equivalent: D-EE

MEDIUM / NARROW

Women's width
equivalent: A-B

Men's width
equivalent: B-C