The lightweight, waterproof Women’s ThermoBall™ Lace Up WP is a secure-fitting winter boot with a durable recycled ripstop upper and toasty ThermoBall™ Eco insulation. / UPPER/ Water-repellent, recycled P.E.T. ripstop upper / Waterproof DryVent™ membrane / Non-PFC durable water-repellent (non-PFC DWR) finish for added water repellency / ThermoBall™ Eco 100% recycled polyester insulation helps keep feet warm even when wet / TNF™-branded webbing pull loops on both sides for easy pull-on / Collar bungee is adjustable to help prevent snow from getting in / Synthetic mudguard helps keep out the elements / Oso fleece collar lining for comfort / Comfortable OrthoLite® Eco LT™ footbed made with 5% recycled rubber content and 8% plant-derived bio-oil instead of petroleum per ASTM-D6866-16 / SOLE UNIT/ Rubber outsole for increased traction;;Approx Weight/ ½ pair: 360 g - pair: 720 g ||