The Salewa Zebru Medium Warm is the mid weight member of the Alpine Merino Responsive family, a men's seamless short sleeve baselayer weighing about 130 grams. The seamless knit is the practical difference from the rest of the line: with no side seams, there is nothing to rub under a harness or a pack belt on a long day.

• Seamless body construction: knitted in the round so the torso has no side seams, which is where a baselayer chafes first.
• About 130 g: the medium warm step, lighter than the Cristallo Warm and suited to shoulder season and high output.
• Alpine Merino Responsive fabric: merino spun around a nylon core with a thermoreactive mineral finish that re emits body heat as far infrared.
• Odour control for consecutive days: the merino share keeps the shirt usable on a multi day route.
• Body mapped knit: the seamless process allows different knit densities where warmth and where venting are needed.
• Onyx colourway, men's cut
• Men's cut