And with the light weight and durability of In-Mold construction

Fit retention system with reflective bubble decal

stretch side panels for great fit

The ALL-NEW Onyx is here for your taking

moisture-wicking Polartec® fleece keeps comfort on point across adventures and daily routines

Icebreaker 150 Zone Mens Long Sleeve Half Zip 2019 active And with the light weightOur lightest weight long sleeve base layer tops are the ideal second skin to keep you comfortable throughout your physical pursuits. Made with breathable and insulating 150gm corespun merino, the Zone Long Sleeve Half Zip is perfect for year round adventures. Whether you are running off road, biking or just training around the city, it has got just enough LYCRA to maximise flexibility while its next to skin comfort makes it a must have layering piece.