Mars Travel Poster Ringer T-Shirt — Olympus Mons "United Mars Development Line"

This ringer tee channels retro space-exploration charm with a warm, vintage Mars travel-poster printed on soft, lightweight cotton. The contrasting navy rib at the collar and sleeves frames the artwork and gives the shirt an old-school, lived-in look. Wear it on weekend drives, to sci‑fi meetups, or on lazy mornings when you want a comfortable layer that sparks conversation. The classic fit and side seams keep the silhouette tidy while the airy 4.3 oz fabric breathes easily in warmer weather. Every detail—from the combed, ring‑spun yarn to the tear‑away label—was chosen to make the shirt feel gentle against skin and effortless to wear every day.

Product features
- 100% combed, ring-spun cotton for solid colors (light, breathable 4.3 oz fabric)
- Contrasting 1x1 baby rib binding on collar and sleeves for a retro ringer look
- Side seams for improved shape retention and structure
- Classic fit with tear-away label for comfortable, itch-free wear
- Heater Grey variant blends 90% cotton / 10% polyester for subtle heather texture

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