Men's Trail Polartec Power Grid Zip Hooded Fleece Size:Large Supports external sensors including heart

Supports external sensors including heart rate straps

Long Battery Life: Enjoy extended usage with up to 14 days of battery life on a single charge

Along with an integrated rain cover and water bladder compartment

PermaFrost insulation — pressure-injected polyurethane foam fills the walls and lid

Men's Trail Polartec Power Grid Zip Hooded Fleece Size:Large Supports external sensors including heartThe Peak Performance Men's Trail Polartec Power Grid Zip Hood Fleece is a stretchy, technical midlayer built for all round, year round outdoor use. Polartec's grid pattern improves airflow and temperature regulation, keeping you comfortable whether you're layering under a shell or wearing it on its own. Polartec Power Grid Fabric 231gsm midweight fleece with a grid back for improved airflow and quick drying. Fixed Hood added coverage and protection