Smartwool PhD Light 1/4 Zip Baselayer

Smartwool PhD Light 1/4 Zip Baselayer

Regular Price: £86.00

Special Price £49.00 save 43%

Incl. 20% Tax

Availability: Out of stock

With a deep front zip for ventilation and thumbloops on the end of the long sleeves, the Smartwool PhD Light Zip T is a highly versatile top for varied aerobic activities. Smartwool PhD Ultralight fabric uses a mix of merino wool and polyester to showcase the best qualities of both materials.



Smartwool PHD Light 1/4 Zip Shirt

Smartwool's PhD®< Ultra Light fabric blends merino wool, which regulates temperature and moisture levels superbly, with polyester to deliver a light stretch and improved drying times when compared to 100% merino. If you need that extra performance and longevity in your baselayer, but want the comfort and natural feel of wool, then the Smartwool PhD Light Zip T could be the one for you.

  • Weight: 230g
  • Regular fit
  • Merino/polyester blended fabric is moisture wicking, dries quickly and retains it's shape in the wet or in highly aerobic activity
  • Minimal merrow seam construction provides superior durability and is soft against the skin
  • Gender specific body mapped mesh panels for breathability and moisture management
  • 22cm centre-front zipper
  • Fabric:
    • Body: 56% merino wool, 44% polyester
    • Mesh: 54% merino wool, 46% polyester


  • Body: 56% merino wool, 44% polyester
  • Mesh: 54% merino wool, 46% polyester
  • Weight 230g
    Brand Smartwool
    Colour Light Grey
    Gender Male
    Size Guide

    Men's clothingChestWaistArm lengthHipInseam
    Small 91.5-96.5cm 73.5-78.5cm 78.5-81.5cm 91.5-96.5cm 76-78.5cm
    Medium 99-104cm 81.5-86.5cm 81.5-86.5cm 99-104cm 78.5-81.5cm
    Large 106.5-112cm 89-94cm 84-86.5cm 106.5-112cm 81.5-86.5cm 
    X Large 114.5-122cm 96.5-101.5cm 86.5-89cm 114.5-122cm 84-86.5cm
    XX Large 124.5-129.5cm 104-112cm 89-91.5cm 124.5-129.5cm 86.5-89cm

    Smartwool mens tops fit guide

    Smartwool mens trousers fit guide

    How to measure

    Chest: Measure under the arms, around the fullest part of the chest and back circumference.

    Waist: Measure around natural waistline, keeping tape a bit loose.

    Arm length: With elbow slightly bent, measure from centre back of neck across top of shoulder, to elbow and down to wrist bone.

    Hip: Measure around fullest part of hip circumference, parallel to the floor.

    Inseam: Measure along inside leg from crotch to ankle bone. Or measure a good fitting base layer pant from crotch seam to bottom along seam.





    We try to keep the site updated with products that are in stock and despatch within 1-2 working days (Mon-Fri). Occasionally items ordered may be out of stock. If this should happen we will contact you to let you know when we will be able to despatch your order.

    Please note that all deliveries are made between 08.00 and 18.00 Monday to Friday and may require a signature.

    Free Delivery

    Orders are typically despatched with Royal Mail Tracked 48. Please note that this is a guideline only as a different delivery method may be used depending on the size/weight of your order – if you would like any more information on your delivery please contact us.


    Click and Collect

    At checkout, please let us know you'd like to collect your order from our Hathersage store, either in the Comments box on the order page or by emailing us at [email protected], quoting your order number. Click and Collect items are available to pick up Monday – Friday, 9:00 am – 5:00 pm (excluding Bank Holidays), one working day after your order is confirmed.

    When your item is ready to collect, you will receive a confirmation email; please either bring a print out of this or show us the email on your phone. You will also need to bring a form of ID which shows the billing address for your order.

    Please collect from the back door at the end of Outside's customer car park:

    Outside Ltd
    Main Street
    S32 1BB


    Online Only Range

    “Online only” products are not available for immediate despatch but you will still normally receive these items within 5-7 days of placing an order. If there are likely to be any further delays we will of course be in touch. These products cannot be purchased in our store.


    Next Day Delivery - £5.95

    Orders placed BEFORE 2pm Mon-Fri will be despatched the same day, usually with Parcelforce (requiring a signature). Any Next Day orders received after this time will be despatched the following working day. Please note any orders placed AFTER 2 PM on Thursdays will be despatched on Friday, but not delivered until the following week. Next Day isn't possible on Bank Holidays. If you have a mobile number on your account you will receive SMS notifications regarding delivery (UK mainland deliveries only).


    Redirection of your order once despatched

    We regret to say that we are unable to change the address or postcode on a parcel once it has been despatched. We therefore recommend that you check your delivery address and postcode carefully before completing the order as this will not be checked by us before despatch. We also recommend that orders are sent to an address where someone will be available all day to receive the parcel, e.g. a work address.


    European and International Delivery 

    There may be delays to international deliveries due to the Coronoavirus crisis. Please see our update here for further information: Outside Update

    • Orders weighing 2kgs and under, going to European countries will cost £9.95.
    • Orders weighing 2kgs and under, going to other international destinations will cost £11.95.

    Orders over 2kgs or bulky orders may be more expensive to post - we will contact you before we process your order if this is the case. The majority of our International orders are sent with Royal Mail's International Signed or Tracked services, which will then be passed to the postal service of your country for onward delivery.


    BFPO Delivery

    We are happy to deliver most items to BFPO addresses. If your location means that your purchase is VAT-exempt, we are happy to deduct the VAT from your order before shipping. Please make sure that you include your BFPO number in the Postcode field on your order so we can verify the VAT-exemption.

    When filling in your details on the website, please enter your card holder address as normal, and the delivery address in the following format:

    First Name/Last Name   

    Your name/rank

    Address Line 1

    Your appointment or unit


    Your barracks or PO Box no.


    Your BFPO no.


    Choose BFPO if you are VAT-exempt, United Kingdom if you are not

    Delivery is free to BFPO addresses, however we may be unable to ship certain items due to their size, weight or value. We will contact you if this is the case. If you have any problems or queries, please contact us.


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