Mountain Equipment's Committed Crew is a highly versatile pull-on top which is able to cope with all the demands of the climb ahead, making a great layering piece to suit your situation. It's made with DRI-release fabric which actively wicks moisture away from the skin for more effective evaporation, & has been treated with Polygiene anti-microbial technology to keep it feeling fresher for longer. 90% Polyester, 7% Lyocell, 3% Elastane 240g DRI-release: warmth & moisture management with stretch Polygiene anti-microbial technology; environmentally friendly & Bluesign approved permanent odour control Tencel cellulose fibres give outstanding wicking performance Slim fit Flatlocked seams throughout Crew neck Weight: 310g (11oz)