The Women's Lightweight Thermal Bottom from Le Bent is the first building block for comfort in mild to cool temps. Their lightweight 200gm Signature Merino Blend ensures superior breathability, temperature management and unrestricted movement with 4-way-stretch, while melding the luxuriously soft on-skin properties of rayon from bamboo and the unrivalled odour resistance of merino wool. A naturally better blend and their bestselling base layer bottom for a reason