*Valid from June 22, 2026 at 9:00 a.m. PT
through June 28, 2026 at 8:59 a.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/markdowns. Qualifying
and/or featured items may vary by day during the promotion period. Price as
marked. Barbie Club 59 Members, Club Grayskull Members, Fang Club Members, and
Red Line Club Members (“Members”) get an additional 10% off markdown pricing on
select qualifying items. To redeem, Members must log into their Mattel
Creations account and enter promo code MEMBERS10 at checkout. Promo code is
non-transferable. No refunds or adjustments on previous purchases. Offer is
non-transferable and is not redeemable for cash or cash equivalent. Offer
cannot be combined with other offers or promotions. Purchase limits may apply;
see individual product descriptions. 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 |
