Old Guys Rule - eco t-shirt
Old Guys Rule - eco t-shirt
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Celebrate classic comfort with a sustainable twist in the Old Guys Rule Eco T-Shirt. Made from 100% recycled materials, this lightweight tee blends recycled polyester with recycled Airlume combed and ring-spun cotton for a soft, breathable feel. With its unisex regular fit and time-tested silhouette, this eco-friendly essential is perfect for warm days, casual outings, and everyday comfort—proof that great style never gets old.
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materials
materials
Benefits
Eco-friendly tee made from 100% recycled fibers
Soft, lightweight fabric perfect for warm weather
Classic unisex fit that suits all body types
Sustainable choice certified under GRS
Comfortable everyday essential with timeless style
Features
65% recycled polyester, 35% recycled Airlume combed & ring-spun cotton
Fabric weight: 4.2 oz/yd² (142 g/m²)
32 singles for a smooth, premium feel
Unisex sizing with regular fit
Side-seamed construction for durability
GRS-certified recycled content
care instructions
care instructions
Age restrictions: For adults
EU Warranty: 2 years
In compliance with the General Product Safety Regulation (GPSR), Oak inc. and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 123 Main Street, Anytown, Country or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
Shipping & Returns
Shipping & Returns
Standard Shipping 3-5
business days
All items are made-to-order.
Please allow 3-7 business days for fulfillment and order processing of all
orders. Shipping timeframes are in addition to the fulfillment timeframes.
Most orders ship in 4 business days. Note: during high volume times
fulfillment may take a day longer than normal.
*Delivery times are estimated and might differ based on the amount of orders to proceed. You will see the final costs and delivery times in the order Checkout.
Return Policy
Because all items are
made-to-order we cannot accept returns or exchanges. If you have an issue with
your garment please contact customer service for assistance.
Size Charts
Size Charts

inches:
| Size Label | Length | Width | Chest |
| XS | 27 | 16 ½ | 31 - 34 |
| S | 28 | 18 | 34 - 37 |
| M | 29 | 20 | 38 - 41 |
| L | 30 | 22 | 42 - 45 |
| XL | 31 | 24 | 46 - 49 |
| 2XL | 32 | 26 | 50 - 53 |
| 3XL | 33 | 28 | 54 - 57 |
centimeters :
| XS | 68.6 | 42 | 78.7 - 86.4 |
| S | 71 | 45.7 | 86.4 - 94 |
| M | 73.7 | 50.8 | 96.5 - 104 |
| L | 76.2 | 56 | 106.7 - 114.3 |
| XL | 78.7 | 61 | 116.8 - 124.5 |
| 2XL | 81.3 | 66 | 127 - 134.6 |
| 3XL | 83.8 | 71 | 137.2 - 144.8 |



