Smartwool Apparel Size Guide
PhD® Light 1\u002F4-Zip Top provides lightweight, thermoregulating performance for standalone workout performance or breathable, baselayer wear.
Regular Fit allows room for natural movement while reducing unwanted bulk.\u003Cbr\u003E
\u003Cem\u003EPhD® fabric:\u003C\u002Fem\u003E\u003Cbr\u003E• Designed for Performance in the Highest Degree, fabric blends merino wool with poly fibers for a blend of natural and synthetic performance. \u003Cbr\u003E• Merino wool offers a supremely soft, next-to-skin feel. \u003Cbr\u003E• Moisture-wicking performance moves perspiration away from the skin.\u003Cbr\u003E• Naturally antimicrobial fabric prevents accumulation of odor-causing bacteria.\u003Cbr\u003E• Stretch, recovery, and drying are better than 100% merino wool.\u003Cbr\u003E• Paired with mesh panels for active ventilation.
Merrow-stitched seams reduce unwanted friction while improving durability and flex.
Gender-specific body mapping provides targeted support and airflow at high-heat and high-sweat regions.
Stand collar with kissing-welt zipper garage.
Long raglan sleeves with thumbhole cuffs.
Logo hit at the left hip.
Body: 56% merino wool, 44% polyester;\u003Cbr\u003EMesh: 54% merino wool, 46% polyester.
Machine wash and dry flat.
Product measurements were taken using size MD. Please note that measurements may vary by size.
Smartwool PhD® Light 1/4 Zip - Mens Sweaters PfWJp2Ha