This warming base layer keeps the body warm and dry during cold weather. Warming zones located on shoulders, arms, back, behind and sides where you freeze the most. The base layer is made of 100% merino wool that provides superior insulation and humidity transportation qualities to keep you warm and dry. Recommended temperature -5°C to -30°C.Don't freeze while working, keep warm and dry in cold environment. Material Composition100% Merino wool, rib knitted, moisture management, 200 g/m² FunctionalityRecommended temperature -5°C to -30°C DetailsRib-knitted collar Seams in contrasting colour FinishWristlet at sleeve end Extended back Washing Instructions40 °C - mild. No bleaching. No dry-cleaning. No ironing. No tumble-drying. Use wool detergent. Ideally suited for the following professionsCraftsman,Industrial Worker,Driver,Gardener,Bricklayer,Tile Layer,Sheet Metal Worker,Roof Layer,Fisherman,Painter We deliver Blaklader Workwear 4897 Baselayer Top Zip-Neck worldwide.We specialise in shipping almost anywhere in the world securely at competitive prices - across UK, US, Canada, Ireland, New Zealand, Europe - securely and fast at competitive prices