Nero Unisex Merino Liner Shorts Black scores 94/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. An equal blend of merino wool and organic cotton — both natural, low-risk fibers with no plastic leaching.

Nero Unisex Merino Liner Shorts Black ranks #6 of 24 workout shorts in Scout's independent rankings. The current top score in the category is Harvest & Mill American Grown Indigo Men's Shorts at 100/100.

In Scout's ingredient-by-ingredient analysis, Merino Wool (50%), Organic Cotton (50%) count in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.