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£18.00
Purchase your Mammoth Merch today! The profits from every T-shirt sold contributes to funding materials, consumables, and equipment for the Mammoth 2025 dig in the Cotswolds. Don't miss out—get your shirt now!

These products are made to order and therefore non-refundable. Please ensure you choose the correct size.


• 100% cotton
• Sport Grey is 90% cotton, 10% polyester
• Ash Grey is 99% cotton, 1% polyester
• Heather colors are 50% cotton, 50% polyester
• Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²)
• Open-end yarn
• Tubular fabric
• Taped neck and shoulders
• Double seam at sleeves and bottom hem
• Blank product sourced from Honduras, Nicaragua, Haiti, Dominican Republic, Bangladesh, Mexico

Disclaimers: 
• Due to the fabric properties, the White color variant may appear off-white rather than bright white.
• Dark color speckles throughout the fabric are expected for the color Natural.

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability, lead, cadmium, phthalates and formaldehyde level requirements.

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.

Size guide

  LENGTH (inches) WIDTH (inches) SLEEVE LENGTH (inches)
S 28 18 15 ⅝
M 29 20 17
L 30 22 18 ½
XL 31 24 20
2XL 32 26 21 ½
  LENGTH (cm) WIDTH (cm) SLEEVE LENGTH (cm)
S 71.1 45.7 39.7
M 73.7 50.8 43.2
L 76.2 55.9 47
XL 78.7 61 50.8
2XL 81.3 66 54.6

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