From pillow basalts through the colonnade to a brecciated top, this design covers all the major elements of a typical flood basalt flow... along with a few hidden paleontological and archeological secrets from the Columbia River Basalts, of course! All featured on a soft, lightweight, and form-fitting tank top.
• 50% polyester, 25% combed ring-spun cotton, 25% rayon, lots of olivine
• Fabric weight: 4.2 oz/yd² (142 g/m²)
• 32 singles
• Fabric is laundered to reduce shrinkage
• Raw edge seams
• Products made at factories in the US, Canada, Mexico, Latvia, Spain, Australia or Japan, whichever is closest to the destination
• Factories collaborate with Geocycle and Martex to recycle fabric waste
• Direct-To-Garment print style with OEKO-TEX certified eco-friendly vegan ink
Size guide
| LENGTH | WIDTH | |
| XS (inches) | 26 ⅛ | 15 ¼ |
| S (inches) | 26 ¾ | 16 ¼ |
| M (inches) | 27 ⅜ | 17 ¼ |
| L (inches) | 28 | 18 ¼ |
| XL (inches) | 28 ⅝ | 19 ¼ |