A lightweight, breathable jersey tee with a spirited, wizarding-inspired design that reads like a secret handshake for fans. The front features a stylized crest with wings, lightning bolt, and subtle magical symbols in clean black linework. The back carries bold, playful typography—"I am up to no good"—with a curved whisper above it: "I solemnly swear that...", giving the shirt a mischievous, nostalgic vibe. Cut from soft Airlume combed and ring-spun cotton, the shirt drapes easily for everyday wear and layers effortlessly under jackets or cozy hoodies. Thoughtful construction—side seams, shoulder tape, and a ribbed knit collar—keeps the shape wash after wash. REACH-certified and ethically produced, this tee fits into everyday moments where fans want to show quiet allegiance to their favorite stories without shouting. It feels like slipping into a comfortable secret among friends.

Product features
- 100% Airlume combed and ring-spun cotton (lightweight 4.2 oz) for breathable, soft wear
- Constructed with side seams and shoulder tape to maintain shape and prevent stretching
- Ribbed knit collar with seam and tear-away label for comfort and durability
- Sleeve and neck label prints produced via DTF/DTG for crisp, vibrant details
- REACH certified; sourced blank from Honduras; manufactured under humane, certified practices

Care instructions
- Machine wash: cold (max 30C or 90F)
- Non-chlorine: bleach as needed
- Tumble dry: low heat
- Iron, steam or dry: medium heat
- Do not dryclean





 
XS
S
M
L
XL
2XL
3XL
4XL
5XL




Width, in
 16.5
 18
 20
 22
 24
 26
 28
 30
 32


Length, in
 27
 28
 29
 30
 31
 32
 33
 34
 35


Sleeve length, in
 8.6
 8.9
 9.2
 9.5
 9.7
 10
 10.4
 10.8
 11.2


Size tolerance, in
 1.5
 1.5
 1.5
 1.5
 1.5
 1.5
 1.5
 1.5
 1.5