A base layer guaranteed to warm your core. The Women&';s Midweight Crew is crafted with our 260gm Signature Blend fabric, providing enhanced 4-way stretch, superior breathability and thermoregulation, while melding the luxuriously soft on-skin properties of rayon from bamboo and the unrivalled odour resistance of merino wool. It&';s an underlayer that punches well above its weight in the warmth department and handles the alpine and the late afternoon apre;s.