125 ZoneKnit™ Merino Thermal Leggings - Icebreaker (US)

Icebreaker W 125 Zoneknit Leggings - Women's training and running pants

An ultralight merino base layer top designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Long Sleeve Crewe

Men's 125 ZoneKnit™ Merino Blend Long Sleeve Crewe Thermal Top

125 ZoneKnit™ Merino Blend Thermal Leggings - Icebreaker (US)

Ultralight merino base layer bottoms designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Leggings feature our

Women's 125 ZoneKnit™ Merino Thermal Leggings

Women's 125 ZoneKnit™ Short Sleeve Crewe Thermal Top & Leggings - Icebreaker (EU)

An ultralight merino base layer top designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Long Sleeve Crewe

Men's 125 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top

Ultralight merino base layer bottoms designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Leggings feature our

Men's 125 ZoneKnit™ Merino Thermal Leggings

125 ZoneKnit™ Merino Short Sleeve Crewe Thermal Top - Icebreaker (US)

125 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top - Icebreaker (US)

125 ZoneKnit™ Merino Thermal Leggings - Icebreaker (US)

Ultralight merino base layer bottoms designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Leggings feature our

Women's 125 ZoneKnit™ Merino Thermal Leggings

Icebreaker 125 ZoneKnit Base Layer Leggings - Women's

Men's 125 ZoneKnit™ Thermal Top & Leggings - Icebreaker (US)

125 ZoneKnit™ Merino Blend Short Sleeve Crewe Thermal Top - Icebreaker (US)

Ultra-light Merino base layer for temperature regulation during intense exertion The 125 ZoneKnit round-neck long-sleeve top from Icebreaker is an ultra-light merino base layer designed to regulate body temperature during intense exertion. Composed of our Cool-Lite jersey, it's ideal for adventures or daily training. Featuring ZoneKnit technology, it offers zoned construction that lets your skin breathe.