O2 BOOST TEE
Color: Black
FM 3-RT // O2 BOOST
When the monitor reads SpO2 85% with a heart rate chasing 128, oxygen buys minutes, not answers.
This one is for the operator who shows up with the tank, the mask, and a plan — and knows which one matters most. Oxygen delivery division. Rapid response certified by repetition, not by badge.
- Black premium fitted tee (Next Level 3600). Bone-tan field-manual print, RESPTAC sleeve emblem.
- Distressed tactical finish. No generic hospital clip art.
- Printed on demand. July run closes 7/30.
RT SQUAD BUNDLE: add 2+ tees to your cart and 15% comes off automatically — no code. Mix and match across the FM 3-RT line.
UNIT ISSUE: 10+ shirts works out to $25.49 each, one ship-to, one size form — DM @resptac.official to set it up.
FIT CHECK (WOMEN): 5'2", 128 lbs wears a Small — see the size guide.
Claim the drop.
Regular retail fit — 100% combed ring-spun cotton. All measurements in inches, measured flat.
| Size | Chest (pit‑to‑pit) | Length |
|---|---|---|
| XS | 17½ | 27 |
| S | 19 | 28 |
| M | 20½ | 29 |
| L | 22 | 30 |
| XL | 24 | 31 |
| 2XL | 26 | 32 |
| 3XL | 28 | 33 |
Tip: lay a shirt you already own flat and compare to find your best fit.
Fulfillment: Printed on demand via Printful. Production takes 2–5 business days before shipping.
Domestic (US):
- Standard — 3–5 business days after production
- Express — 1–3 business days after production
International: 7–20 business days after production, depending on destination and customs.
APO/FPO: Shipped via USPS. Delivery times vary by location.
Rates calculated at checkout based on destination and weight.
Because every item is made to order, we don't accept returns for sizing or change of mind. Pick your size carefully.
Defects, damage, or wrong item: Email us within 30 days of delivery with photos and we'll replace it or refund it — no runaround.
Contact: support@resptac.com
Production: 2–5 business days
Shipping: 3–5 business days (US) / 7–20 (international)
Total estimated delivery: 5–10 business days within the US after order placement.
- Machine wash cold, inside-out, with like colors
- Tumble dry low or hang dry
- Do not iron directly on the print
- Do not dry clean or bleach
Field Reports
Verified Intel
Drag to inspect • ✕ to close