Suitable for everyday winter walks or at Everest Base Camp, this bootie provides ThermoBall™ insulation and an internal gaiter with a drawcord to keep out snow and debris
Features • Upper: Durable, water-resistant, 100% recycled P.E.T. ripstop upper • PrimaLoft® ThermoBall™ synthetic insulation • Internal gaiter with adjustable drawcord • Internal rear pocket accommodates handwarmers for those really cold nights • Abrasion-resistant, synthetic mudguard • Sole Unit: Injectionmolded EVA midsole/outsole • IcePick® temperature-sensitive rubber lugs for increased traction • Weight : (½ PAIR): 11.5 oz (325 g) • Shaft Circ: 15.5'' (39 cm) • Shaft Height: 7.25'' (18.5 cm).
THERMOBALL The new aynthetic alternative to down The North Face™ developed a partnership with PrimaLoft® to offer a new synthetic alternative to down. ThermoBall™ is a revolution in insulation technology. Unlike traditional, continuous-filament synthetic insulations, the small round PrimaLoft® synthetic fiber clusters closely to mimic down clusters; trapping heat within small air pockets to retain warmth. Independent CLO testing has shown that ThermoBall™ technology can offer the low weight, loft, warmth, and compressibility of down with the wet-weather insulating performance of synthetics. Benefits: • ThermoBall Collection features Thermoball insulation technology • Lightweight • Phenomenal warmth in cold and wet conditions • Packs neatly into zipper pocket (not all styles pack into zipper pocket.) • Insulates even when wet.
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