XTM Active 200 Merino Mens Long Sleeve Thermal Top Product Style_1 Person A three-quarter YKK #5 zipper

A three-quarter YKK #5 zipper with dual sliders and a snag-free plow makes venting or entry easy

SPARK is designed for permanent use in the toughest conditions

Altra took the beloved Experience Wild 3 and added a Vibram® Megagrip outsole with Traction Lug and an integrated toe bumper

with 70g of 1

Tested to IPX4

XTM Active 200 Merino Mens Long Sleeve Thermal Top Product Style_1 Person A three-quarter YKK #5 zipperThe Active200 Merino Mens Thermal Top balances warmth and breathability naturally. Features: 100% Australian merino wool (200gsm, 18. 5 micron), mesh panels (99% merino 1% nylon) for temp regulation, Woolmark certified, RWS and Oeko Tex 100 certified, thumb loops, raglan sleeves, flatlock seams. Certified carbon neutral sustainable base layer for high output cold adventures.