New Balance Heat Grid Half Zip RunVisible Medium density with a hollow

Medium density with a hollow core

this ultra-lightweight singlet delivers advanced breathability and cooling to help you stay focused when the pace picks up

it delivers even more coverage while maintaining a sleek

The midsole displays a thick layer of Boost foam which provides stout responsiveness

New Balance Heat Grid Half Zip RunVisible Medium density with a hollowThe New Balance Heat Grid Half Zip is built to keep you warm, dry, and moving comfortably when the temperature drops. Featuring NB HEAT technology for thermal warmth and moisture wicking performance, this versatile midlayer is designed with thumb loops, mitt cuffs, and reflective trim to keep you comfortable and visible in low light. Perfect as a standalone piece or a layering essential for cold weather training. Features NB HEAT technology retains