November 9, 2026 at 9:00 a.m. PT through November 30, 2026 at 11:59 p.m. PT, or while supplies last, whichever occurs first, get up to 60% off select, in-stock items identified as qualifying for the promotion at https://creations.mattel.com/collections/limited-sale-event. Price as marked. Barbie Club 59 Members, Club Grayskull Members, Fang Club Members, and Red Line Club Members (“Members”) get an additional 20% off markdown pricing on select qualifying items with code MEMBERS20. No refunds or adjustments on previous purchases. Cannot be combined with other discount offers or promotional codes unless otherwise stated. Purchase limits may apply; see individual product descriptions. Discount is not applicable to taxes, shipping, or handling charges. Mattel reserves the right to modify or cancel this promotion at any time without notice. Void where prohibited
Designed for ultimate comfort and a flattering fit, our Masters of the Universe Gym Bro Skeletor Master Muscles Black T-shirt is perfect for any casual occasion. Its vintage-inspired look is ideal for those who appreciate retro aesthetics with a modern twist. This exclusive design is only available through Mattel Creations.
• Masters of the Universe™ Gym Bro Skeletor Master Muscles Black T-shirt
• 100% ring-spun combed cotton
• Pre-washed for superior hand feel
• Pre-shrunk to minimize shrinkage
• Shoulder to shoulder tape and side seamed construction
• Double-needle top stitch at sleeves, bottom hem, shoulders and armhole
• Unisex sizing S-3XL
Colors and decorations may vary. This item is available for US shipping ONLY and shipped separately from other products on our site. Expedited shipping is not available at this time. Final sale, no refunds or exchanges. Read the FAQ here for full details. ©2025 Mattel. All rights reserved. (s26)
Size guide
| WIDTH (inches) | LENGTH (inches) | SLEEVE (inches) | |
| S | 18 | 28 | 7.5 |
| M | 20 | 29 | 8 |
| L | 22 | 30 | 8.5 |
| XL | 24 | 31 | 9 |
| 2XL | 26 | 32 | 9.5 |
| 3XL | 28 | 33 | 10 |