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Hat — front view

The Billiam Fitted

Your favorite. Now fitted.

Charcoal heather. A bold white bird. The Billiam look you love, now with a fitted back.

The details.

Visor style

Flat Brim
Flat Brim

Closure

Fitted Back
Fitted Back

Crown height

High Profile
High Profile

Purchase Together

Free ground shipping starts at $60 on eligible orders. Cart confirms whether your order qualifies.

Hat — underside showing Under Bird artwork

Stripes underneath. Attitude everywhere.

Black-and-white stripes and the signature white Under Bird beneath the flat bill.

Hat — front view

The original attitude.

Charcoal heather. Raised white Bird embroidery. The Billiam look you love, now fitted.

Hat — rear view and closure

Your favorite. Fully fitted.

A closed stretch-fit back, finished with the Effing Gear label.

About this hat

Two Words: Unshakeable Confidence.

The Billiam is back—now with a fitted back. Same charcoal attitude, white 3D Effing Bird, and signature black-and-white Under-Bird. No snaps. No straps. Just an effing good fit.

Built on the same stretch-fit platform as The Jimothy, The Billiam Fitted delivers a secure, flexible fit with a high-profile crown and flat bill.

  • High-profile structured crown
  • Flat bill visor
  • Fitted back with stretch-fit construction
  • White 3D embroidered Double-Bird front
  • Signature black-and-white UnderBird

Make it your everyday favorite.

Effing Easy Guarantee · Contact us within 30 days of delivery to request a refund or exchange.

The Billiam Fitted · Size Guide

Find Your Effing Fit

The Billiam Fitted

Hat SizeUS Hat SizeHead Size in InchesMetric Size
S/M6 3/4 21⅛″ 54
6 7/8 21½″ 55
7 21⅞″ 56
7 1/8 22¼″ 57
7 1/4 22⅝″ 58
L/XL7 1/8 22¼″ 57
7 1/4 22⅝″ 58
7 3/8 23″ 59
7 1/2 23½″ 60
7 5/8 23⅞″ 61
2XL7 5/8 23⅞″ 61
7 3/4 24¼″ 62
7 7/8 24⅝″ 63
8 25″ 64

All available size ranges for this hat. The currently selected range is highlighted when structured sizing is available.

Hat — front view

Product reviews

4.7
Rated 4.7 out of 5 stars
Based on 3 reviews
QualityRated 2.0 on a scale of minus 2 to 2
ValueRated 2.0 on a scale of minus 2 to 2
Overall FitRated 2.0 on a scale of minus 2 to 2
3 reviews
  • S
    Seth
    I recommend this product
    Rated 4 out of 5 stars
    4 minutes ago
    4 Stars

    very nice I love this it's my new favorite hat

  • T
    Todd
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    5 Stars

    Happy to see more fitted flat billed lids!! Absolutely love it. Another to add to the increasingly growing collection!

  • RH
    Ron H.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Cool

    Awesome looking hat