Lightweight, slim fitting boxers built for comfort during high output activity in mountain environments. Made with Syncrino125 fabric they benefit from a blend of warm, wicking merino and rapid dry synthetic fabric. Syncrino125 Merino/Polyester Blend (125gsm) Lightweight S-125 Merino/Polyester blend fabric Single jersey fabric construction Flat deep wicking elasticated waistband Low bulk Merrow seams for comfort Gusset at crotch Weight59 g (2oz) Size and FitFit: Slim Materials53% polyester (32% recycled), 47% merino wool