This heavyweight Icebreaker base layer is made of 100% odour-resistant merino wool. The breathable ZoneKnit™ technology can help to regulate your body temperature during high-intensity activities, additionally, you can open the half zip for easy venting. It also features a zipper chin guard and flatlock seams to prevent friction, as well as thumb loops to keep the sleeves in place. 

Features:

• ZoneKnit™ - Body mapping technology designed to actively regulate body temperature and let skin breathe during high-intensity activity
• Raglan sleeve construction for mobility
• Thumb loops to keep your sleeves in place and hands warm
• Gusseted underarms for mobility and comfort
• Zipper chin guard
• Flatlock seams
• Drop tail hem for added coverage
• Slim Fit 

Material:

• 100% Merino Wool