Description

We will gladly accept your return of unworn merchandise within 30 days from the date of purchase at no additional charge. See more details
regarding our return and exchange policy.
We are happy to offer free returns and exchanges. See more details
regarding our return and exchange policy.
With 25 years of ‘s women’s-specific fit, the Siren 4 Thermo is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes with added insulation for warmth and protection.
FEATURES
• Waterproof membrane seals out water and lets moisture escape
• Protective shell keeps feet dry
• Waterproof suede leather upper
• 100% recycled laces and webbing
• Bellows tongue keeps out debris
• 100% recycled fleece lining
• 100 grams Primaloft® Gold Eco Series synthetic insulation
• Rock plate for protection
• FloatPro™ Foam midsole for lightweight comfort that lasts
• Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces
• Drop: 8mm
• Lug: 5mm