Merrell Siren 4 Thermo Chelsea J037420 Wos Size:8 It just might be the 88800039888 It just might be the best shoe you ever wear Felt ankle boot of 100% pure natural wool available in 3 colours with a sole of soft vegetable tanned calfskin FEATURES • Waterproof membrane seals out water and lets moisture escape • Waterproof full grain leather and knit upper • Protective and abrasion resistant rubber heel and toe cap • 100% recycled pull tab webbing • 100% recycled fleece lining • 100 grams Primaloft® Gold Eco Series synthetic insulation • SOLARCORE® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra thin • 100% recycled mesh footbed cover • Cleansport NXT™ treated for natural odor control • 5% recycled removable PU footbed • FloatPro™ Foam midsole for lightweight comfort that lasts • Vibram® Icetrek outsole designed to provide the improved grip on very cold traction remains consistent under the wettest