Incorporating an extra-fine merino wool as well as a moisture-wicking fiber the Tech Top Winter is ideal for riding in colder climates. With flatlock seams & a tubular construction this top fit perfectly under an outer garment.• Anatomically optimized & ultra-lightweight technical base layer incorporating with extra-fine merino wool fiber for excellent thermal performance.• Incorporates comfortable moisture-wicking fiber which aids all round body temperature control & performance at cold temperatures.• Strategically positioned open mesh inserts for ventilation & cooling comfort.• Seamless tubular construction allows for performance compression fit.• Flat-lock ergonomic seams allow unrestricted movement & an enhanced range of motion.