New Balance Men's Apparel Size Chart With sweat-activated cooling technology to help keep you cool and dry, the men's Printed NB ICE Singlet is your secret training weapon. This season's version is updated with a media loop on the collar and extra mesh on the back for even more ventilation when your runs heats up. NB ICE technology features sweat-activated cooling, fast-drying moisture management and 2-way air circulation, delivering the ultimate in breathable comfort from your toughest training days to the big day. Plus, reflective taping with fluorescent color accents helps up your visibility when training days extend into evenings, and modern prints add an extra layer of sport style. Features: - Athletic fit - NB ICE fabric - Back mesh insets - Lightweight mesh knit - Underarm gussets - Media loop on back collar - 360 degree reflectivity for safety and visibility - 93% Polyester/7% Spandex