• Online:
  • URL for this product:
  • From the U.S. and CanadaCall 1-800-426-4840
  • Mon. through Sun., 4 a.m. through 11 p.m. PT.
  • InternationalCall 1-253-891-2500
  • Mon. through Sun., 4 a.m. through 11 p.m. PT. English language only.

SmartWool PhD HyFi Full-Zip Sweater - Men's

This item is currently sold out or unavailable online.

Or, may we suggest shopping for similar items:

Shop more Men's Cardigan SweatersShop more SmartWool

This page is provided for reference to historical product information.

The SmartWool PhD HyFi Full-Zip sweater puts soft, comfortable merino wool next your skin and durable nylon facing out to stand up the demands of your fast-paced adventures.

  • Midweight HyFi fabric features a wind-resistant nylon face that is backed by soft merino wool for great comfort next to skin
  • Articulated elbows give the sweater a comfortable fit for active endeavors
  • Zippered hand pockets and a zippered chest pocket secure your personal items
  • Thumbholes secure sleeves over hands for warmth
  • Includes a full draft flap behind the front zipper to keep cold breezes out; soft chin guard keeps the zipper away from your skin
  • Machine wash in cold water on gentle cycle; tumble dry on low heat
  • The SmartWool PhD HyFi Full-Zip sweater has a semifitted cut that is not too tight and not too loose


Item 836247


This item's hot - and it's only available online.

REI Membership

SmartWool PhD HyFi Full-Zip Sweater - Men's Specs
Best use
Wool / wool blend
64% merino wool/36% nylon
Long sleeve
27.6 inches
Shirt style
Fabric type
Sun-protective fabric
Moisture wicking
Quick drying
Sleeve length
Back length
Back length (in.)

SmartWool PhD HyFi Full-Zip Sweater - Men's

Loading Ratings & Reviews...

Ask a question and have it answered by REI product experts and fellow outdoor enthusiasts. Need immediate assistance? Use Live Help.

Loading Questions & Answers...

How are we doing? Give us feedback on this page.

FREE SHIPPING With $50 minimum purchase

MEMBERS, EARN A $20 BONUS CARD! When you spend $100 April 14-29. Single-use bonus card redeemable May 2-12. Details
  • Join REI today!
  • REI Membership
  • REI member benefits include an annual refund (typically 10% on eligible purchases).
  • Join REI today!
  • Sign up for REI Gearmail®
  • and get 15% off selected items!
  • Store Locator
  • Locate an REI store near you.
  • Find a Store
© 2014 Recreational Equipment, Inc. All rights reserved. REI, the REI Tree and Mountain design, Novara, and
REI Adventures are trademarks of Recreational Equipment, Inc.

Find REI on: FacebookTwitterYouTubeFlickrMobile site