Odlo Men's ACTIVE X-WARM ECO Half-Zip Turtleneck Baselayer Top

Helly Hansen have developed Lifa technology that offers both warmth and breathability in their base layers. This comes in a half zip, long sleeved design and a selection of colours. The zip offers extra breathability. Lifa offers one of the best moisture management technologies available. Lifa technology is different to most other synthetic base layers on the market offering a 2 in 1 base layer with 100% merino wool and Lifa Stay Warm Technology.

Featuring their most versatile merino jersey fabric, the Icebreaker Men's Marino 200 Oasis Long Sleeve Crewe Thermal Top Solar sets the benchmark for year-round layering performance across any activity. With original artwork by Bill Horton, this thermal top pays homage to the great giver of warmth, light and vitamin D in the sky.

The Men's Merino 260 Tech Long Sleeve Half Zip Thermal Top by Icebreaker is a warmer, mid-weight version of the best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merino wool. This 260g Merino Wool base layer ideal for Winter sports as a mid layer or base layer or for mountaineering and even wearing down the pub.

Ever been too hot whilst active in the snow and too cold when standing still, but can't get the layering right? Well, here's the solution! The i-Thermic from Odlo uses Clim8 and MAS technology to heat, yes heat, your midlayer and keep a regulated temperature set by you on an app. This piece of kit is truly revolutionary for cold-weather athletes and winter hobbyists.