Fit and Design: Slim fit baselayer top Fit updated to improve functionality while enhancing aesthetics for a range of body shapes Classic, comfortable crewneck design Raglan sleeves achieve added comfort Back body seam wraps to front for body-enhancing fit Shoulder panels eliminate top shoulder seams Flatlock seam construction helps minimize chafing to keep your skin happy 8" center front zipper with semi-locking slider Technology: Merino Sport 250 fabric helps move moisture, dries quickly, and holds its shape during high-sweat activities in colder weather Additional Details: Weight: 236g / 8.32oz Machine wash warm gentle cycle Do not iron decorations Do not bleach Tumble dry low Cool iron as needed Do not dry clean Wash with like colors