{"product_id":"womens-siren-4-thermo-mid-zip-waterproof-brown","title":"Women's Siren 4 Thermo Mid Zip Waterproof","description":"\u003cp data-start=\"225\" data-end=\"590\"\u003eBuilt specifically for women and engineered for cold-weather adventures, the \u003cstrong data-start=\"302\" data-end=\"332\"\u003eMerrell Siren 4 Thermo Zip\u003c\/strong\u003e delivers warmth, stability, and confidence on winter trails and icy terrain. Backed by \u003cstrong data-start=\"420\" data-end=\"466\"\u003e25 years of Merrell’s women’s-specific fit\u003c\/strong\u003e, this boot is designed to cradle the unique contours of the female foot for lasting comfort and support—even on long hikes.\u003c\/p\u003e\n\u003cp data-start=\"592\" data-end=\"896\"\u003eWith \u003cstrong data-start=\"597\" data-end=\"624\"\u003e200 grams of insulation\u003c\/strong\u003e and advanced \u003cstrong data-start=\"638\" data-end=\"671\"\u003eSOLARCORE® Aerogel technology\u003c\/strong\u003e, originally developed for NASA, the Siren 4 Thermo Zip provides exceptional warmth without added bulk. Merrell’s waterproof membrane seals out moisture while allowing breathability, keeping feet dry in wet, snowy conditions.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1208\"\u003eA newly added \u003cstrong data-start=\"912\" data-end=\"944\"\u003emedial waterproof YKK zipper\u003c\/strong\u003e makes getting in and out effortless—an upgrade inspired directly by customer feedback. Underfoot, the \u003cstrong data-start=\"1047\" data-end=\"1074\"\u003eVibram® IceTrek outsole\u003c\/strong\u003e with specially designed traction lugs delivers reliable grip on icy, snowy, and uneven surfaces, ensuring confidence with every step.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1227\"\u003e\u003cstrong data-start=\"1210\" data-end=\"1227\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1230\" data-end=\"1301\"\u003eWaterproof membrane seals out water while allowing moisture to escape\u003c\/li\u003e\n\u003cli data-start=\"1304\" data-end=\"1350\"\u003eWaterproof full-grain leather and knit upper\u003c\/li\u003e\n\u003cli data-start=\"1353\" data-end=\"1414\"\u003eHeavy-duty waterproof YKK medial zipper for easy on and off\u003c\/li\u003e\n\u003cli data-start=\"1417\" data-end=\"1472\"\u003e200g Primaloft® Gold Eco Series insulation for warmth\u003c\/li\u003e\n\u003cli data-start=\"1475\" data-end=\"1546\"\u003eSOLARCORE® Aerogel insole for ultra-thin, flexible thermal protection\u003c\/li\u003e\n\u003cli data-start=\"1549\" data-end=\"1582\"\u003eBellows tongue keeps out debris\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1636\"\u003eProtective rubber heel and toe cap for durability\u003c\/li\u003e\n\u003cli data-start=\"1639\" data-end=\"1691\"\u003eCleansport NXT™ treatment for natural odor control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1693\" data-end=\"1730\"\u003e\u003cstrong data-start=\"1693\" data-end=\"1730\"\u003eComfort \u0026amp; Sustainability Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1733\" data-end=\"1795\"\u003eFloatPro™ Foam midsole for lightweight, long-lasting comfort\u003c\/li\u003e\n\u003cli data-start=\"1798\" data-end=\"1867\"\u003eVibram® IceTrek outsole for superior traction on cold, icy surfaces\u003c\/li\u003e\n\u003cli data-start=\"1870\" data-end=\"1922\"\u003eVibram® traction lugs enhance grip and shed debris\u003c\/li\u003e\n\u003cli data-start=\"1925\" data-end=\"1994\"\u003e100% recycled laces, webbing, fleece lining, and mesh footbed cover\u003c\/li\u003e\n\u003cli data-start=\"1997\" data-end=\"2031\"\u003e5% recycled removable PU footbed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2033\" data-end=\"2055\"\u003e\u003cstrong data-start=\"2033\" data-end=\"2055\"\u003ePerformance Specs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2058\" data-end=\"2086\"\u003eStack height: 28.5–20.5 mm\u003c\/li\u003e\n\u003cli data-start=\"2089\" data-end=\"2101\"\u003eDrop: 8 mm\u003c\/li\u003e\n\u003cli data-start=\"2104\" data-end=\"2121\"\u003eLug depth: 5 mm\u003c\/li\u003e\n\u003cli data-start=\"2124\" data-end=\"2164\"\u003eHalf pair weight: 1 lb 3.04 oz (540 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2166\" data-end=\"2346\"\u003eDesigned for winter hiking, snow-covered trails, and cold-weather exploration, the Merrell Siren 4 Thermo Zip delivers warmth, traction, and women-specific comfort you can rely on.\u003c\/p\u003e","brand":"Merrell","offers":[{"title":"Brown \/ 6.5 \/ Medium","offer_id":51846485639533,"sku":"MERSIREN4TZIP066.5M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 7 \/ Medium","offer_id":51846485672301,"sku":"MERSIREN4TZIP067M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 7.5 \/ Medium","offer_id":51846485705069,"sku":"MERSIREN4TZIP067.5M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 8 \/ Medium","offer_id":51846485737837,"sku":"MERSIREN4TZIP068M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 8.5 \/ Medium","offer_id":51846485770605,"sku":"MERSIREN4TZIP068.5M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 9 \/ Medium","offer_id":51846485803373,"sku":"MERSIREN4TZIP069M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 9.5 \/ Medium","offer_id":51846485836141,"sku":"MERSIREN4TZIP069.5M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 10 \/ Medium","offer_id":51846485868909,"sku":"MERSIREN4TZIP0610M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 10.5 \/ Medium","offer_id":51846485901677,"sku":"MERSIREN4TZIP0610.5M","price":229.99,"currency_code":"CAD","in_stock":true},{"title":"Brown \/ 11 \/ Medium","offer_id":51846485934445,"sku":"MERSIREN4TZIP0611M","price":229.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/9936\/0672\/files\/MERSIREN4TZIP06_20_1_e3c5f0b1-ca42-43e5-b979-99f98f1f7578.jpg?v=1742496579","url":"https:\/\/walkingonacloudshoeshop.com\/products\/womens-siren-4-thermo-mid-zip-waterproof-brown","provider":"Walking On a Cloud","version":"1.0","type":"link"}