Lake Ontario Mammoth Premium Heavy Blend Hoodie | Navy product image (1)
Lake Ontario Mammoth Premium Heavy Blend Hoodie | Navy product image (2)

Lake Ontario Mammoth Premium Heavy Blend Hoodie | Navy

CHF 20.17

A cozy prehistoric layer for the next generation of Great Lakes explorers.

The Lake Ontario Mammoth Youth Heavy Blend Hoodie features the Lake Ontario mammoth design with “EST. 9000 BCE” on a classic navy hoodie. Made from a durable cotton-polyester fleece blend, it is designed for everyday wear, cooler weather, school days, and outdoor adventures.

Part of the Soundmark Vibe Mammoth Collection, the navy colour gives the prehistoric graphic a strong heritage look while keeping the hoodie easy to wear and pair.

Details:
• Lake Ontario Mammoth graphic
• Navy Gildan Youth Heavy Blend Hoodie
• 50% cotton, 50% polyester
• Midweight 8 oz fleece
• Air-jet yarn for a softer feel and reduced pilling
• Double-lined hood
• No drawcords for child safety
• Front pouch pocket
• Ribbed cuffs and hem with spandex for stretch and recovery
• Reinforced double-needle stitching
• Available in youth sizes XS–XL
• Made to order

Inspired by Lake Ontario’s glacial origins and created amid the 2026 “Lake America” naming controversy, the Mammoth Collection gives a familiar Great Lake a playful prehistoric identity.

Whatever the map says, the vibe is Lake Ontario.

Soundmark Vibe — Great Lakes energy, prehistoric roots.

Select size

More details

  • 50% cotton, 50% polyester, 20 singles
  • Midweight fabric (8 oz)
  • 2-end midweight fleece fabric
  • Air jet yarn for a softer feel and reduced pilling
  • Double-lined hood
  • No drawcords for child safety
  • Front pouch pocket
  • Double-needle stitching detailing at shoulders, armholes, neck, waistband and cuffs
  • 1 x 1 rib with spandex at cuffs and hem for enhanced stretch and recovery

Size & Fit


Quality Guarantee & Returns

  • Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
  • Because the products are made to order, we do not accept general returns or sizing-related returns.

Lake Ontario Mammoth Premium Heavy Blend Hoodie | Navy Size Guide

Size guide preview
Size label Length Width Sleeve length
XS
19.75
16
23 1/2
S
21.25
17
26 1/2
M
22 1/2
18
27.75
L
24
19
30.25
XL
25 1/2
20
33

Measurements are provided by our suppliers. Product measurements may vary by up to 2" (5 cm).

Pro tip! Measure one of your products at home and compare with the measurements you see in this guide.


A Length

Place the end of a measuring tape beside the collar at the top of the garment (high point shoulder). Pull the tape to the bottom of the item.

B Width

Place the end of the tape at the seam under the sleeve and pull the tape measure across the shirt to the seam under the opposite sleeve.

C Sleeve length

Place one end of the tape at the top of the set-in sleeve, then pull the tape down until you reach the hem of the sleeve.

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