Olympus Merino Base Layer Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top Size:S This simple design uses our

This simple design uses our ultra-lite Merino Air-Con fabric

not too tight

100% merino wool insulation regulates your temperature to keep you warm when it matters

Designed with Merino Shift Stretch fabric

Olympus Merino Base Layer Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top Size:S This simple design uses ourUltimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest base layer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer.