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    Rep First Base and go in the draw to win a $100 voucher ... every month!

    Rep First Base and go in the draw to win a $100 voucher ... every month!


    SIMPLY:

    1. Follow us @thisisfirstbase

    2. Post a pic or video of yourself in your First Base and make sure you tag @thisisfirstbase so we see you!

    3. That's it - you're in the draw. Now sit back and wait for that DM to come through ;)


    Every post or story in your First Base with our tag counts as an entry
    so enter as many times as you like!
    A new winner will be announced each month so keep 'em coming.


    Follow us:

    @THISISFIRSTBASE

    T's & C's: An image featuring First Base gear must be posted in feed or in stories with the @thisisfirstbase tag to be eligible.
    Winner will be notified via DM on Instagram.
    Vouchers are non-transferrable.

    2024 First Base Sydney. All rights reserved.

    Size chart

    First Base 0 1 2 3 4
    Universal XS S M L XL
    Australia 6 8 10 12 14
    USA 2 4 6 8 9
    United Kingdom 6 8 10 12 13
    Italy 38 40 42 44 45
    France 34 36 38 40 41

    Fit Guide

    First Base 0 1 2 3 4
    metric (centimeters)
    Bust    		 77-81 82-86 87-91 92-96 97-101
    Waist 63-67 68-72 73-77 78-82 83-87
    Hips 82-86 87-91 92-96 97-101 102-106

    General fit

    FIRST BASE GARMENTS (TEES, BOTTOMS, DRESSES AND OUTERWEAR) ARE DESIGNED ON THE SLOUCHY SIDE

    AND ARE MADE TO BE WORN OVERSIZED. WE WOULD ADVISE YOU GO DOWN A SIZE IF YOU PREFER A FITTED LOOK.

    FIRST BASE ACTIVEWEAR IS TRUE TO SIZE AND ARE DESIGNED TO BE WORN TIGHT TO THE BODY.

    OUR DESIGNERS AND GARMENT TECHS ENSURE THAT EVERY GARMENT CORRESPONDS TO OUR SIZING CHARTS, SO THAT YOU CAN SHOP ONLINE WITH CONFIDENCE. PLEASE TAKE A MOMENT TO MEASURE YOURSELF TO HELP SELECT THE BEST FIRST BASE SIZE FOR YOU. NO TAPE MEASURE AND NO IDEA? NO WORRIES -

    DROP US AN EMAIL CUSTOMER.CARE@THISISFIRSTBASE.COM AND WE CAN TOTALLY HELP GET YOU SORTED.