OSDay 2025

Wear the event tee and relive the magic of our awesome time together! Discounted until OSDay 2026

OSDay 2025 - Signature Edition

Let's party as we mark the success of the recent OSDay with a unique limited edition design.

OSDay 2024

Missed it? You still have a shot at grabbing one of our best-seller t-shirt

Starter Kit

You can't go wrong with this essential kit, rock the classic Schroedinger Hat emblem on your preferred attire