Smartwool Men’S Active Fleece 1 2 Zip Cat Spring Summer Lenz knows how important proper 84684 MAYGREY S Lenz knows how important proper fit is for comfort and performance so they have their designers create a different vest for each gender while front hand pockets give you room for what you carry on summer jaunts A four way stretch knit fabric for maximum mobility with soft brushed Merino next to your skin for long lasting comfort and breathability with a recycled synthetic material on the outside to protect you against the elements and add durability to the layer this looks sharp and keeps you comfortable during cool to cold weather runs Fit and Sizing: