. SmartWool's PhD HyFi hoodie sweatshirt is the essential midlayer, complete with a stretchy-soft merino wool
blend that keeps your core warm and wicks moisture. The HyFi double-jersey knit lends additional warmth in cold temps, and the articulated
hood provides cozy coverage.
- Itch-free merino wool is temperature regulating, moisture wicking and odor resistant
- Semi form fitted
- HyFi double jersey knit is warm and insulating
- Zip chest pocket with Durawelt finish
- Articulated hood with clean finish binding
- Articulated elbows with engineered thumbholes and clean finish binding at sleeve opening
- Classic Fit
- Made in Viet Nam
- Visit our Wool Guide
- US shipments only
Complete sizing information for this product is available on the product page.
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