ZoneKnit™ Merino Long Sleeve T-Shirt - Icebreaker (US)
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw7baa1e1f/0A56KI/0A56KI568_1.jpg?sw=1290&sh=1693&sm=fit)
Our most breathable and lightweight tee designed for running, biking and other high exertion pursuits, the ZoneKnit™ Long Sleeve Tee combines our Cool-Lite™ jersey fabric with strategic panels of eyelet mesh for enhanced airflow.
Men's Timberland® x icebreaker® Merino ZoneKnit™ Tee
Our most breathable and lightweight tee designed for running, biking and other high exertion pursuits, the ZoneKnit™ Long Sleeve Tee combines our
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw5e42ab0a/0A56KI/0A56KI574_1.jpg?sw=1290&sh=1693&sm=fit)
Men's ZoneKnit™ Merino Long Sleeve T-Shirt
A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe features
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw7ac624ea/0A56HL/0A56HL858_2.jpg?sw=1290&sh=1693&sm=fit)
Women's 260 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top
![](https://www.backcountry.com/images/items/large/ICE/ICEZ6GV/BLA_D19.jpg)
Icebreaker ZoneKnit Merino Long-Sleeve T-Shirt - Men's - Clothing
A highly breathable midweight top for high-output activities, the 200 ZoneKnit™ Energy Wind Long Sleeve T-Shirt features a body-mapped combination of
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw7832ec55/0A56VF/0A56VF580_2.jpg?sw=1290&sh=1693&sm=fit)
Men's 200 ZoneKnit™ Merino Energy Wind Long Sleeve T-Shirt
An ultralight merino base layer top designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Long Sleeve Crewe
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dwb5f18ee8/0A56H3/0A56H3B52_4.jpg?sw=1290&sh=1693&sm=fit)
Men's 125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top
Men's Timberland® x icebreaker® Merino ZoneKnit™ Tee
A midweight merino base layer top designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Long Sleeve Crewe features
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw7e7d44b8/0A56HA/0A56HA881_1.jpg?sw=1290&sh=1693&sm=fit)
Men's 200 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dw08d0f5f3/0A56KI/0A56KI865_3.jpg?sw=1290&sh=1693&sm=fit)
ZoneKnit™ Merino Long Sleeve T-Shirt - Icebreaker (US)
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dwfd5a41e6/0A56KI/0A56KI568.jpg?sw=1290&sh=1693&sm=fit)
ZoneKnit™ Merino Long Sleeve T-Shirt - Icebreaker (US)
A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe features
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dwb626a4b9/0A56HH/0A56HH585_2.jpg?sw=1290&sh=1693&sm=fit)
Men's 260 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top
![](https://www.icebreaker.com/on/demandware.static/-/Sites-master-catalog/default/dw5e42ab0a/0A56KI/0A56KI574_1.jpg)
ZoneKnit™ Merino Long Sleeve T-Shirt - Icebreaker (US)
A highly breathable midweight top for high-output activities, the 200 ZoneKnit™ Energy Wind Long Sleeve T-Shirt features a body-mapped combination of
![](https://www.icebreaker.com/dw/image/v2/AAFX_PRD/on/demandware.static/-/Sites-master-catalog/default/dwdb654b80/0A56VG/0A56VG851_1.jpg?sw=1290&sh=1693&sm=fit)
Women's 200 ZoneKnit™ Merino Energy Wind Long Sleeve T-Shirt