Whether you're taking on an ultra or pushing your limits in the mountains, this technical base layer will help you go beyond this season. Made with supremely lightweight fabric, it perfectly balances warmth and weight, so you can move freely and easily. And that's not all - this base layer is also eco-friendly, with 100% recycled fabric and POLYGEINE permanent odor control. That means you can wear it more, wash less, and fully concentrate on going further and faster.The 1/4 length YKK front zip with internal zip guard makes it easy to put on and take off, while low profile flatlocked seams provide maximum next-to-skin comfort. With Montane branded reflective details on the front and back, this base layer has everything you need for your next adventure.Apex Lite Eco 100% recycled polyester POLYGIENE permanent odour control Low profile flatlocked seams - For maximum next-to-skin comfortMontane branded reflective details on front and back1/4 length YKK front zip with internal zip guardClose fit collar with zipFabric: 100% Polyester (recycled)