Sea to Summit X-Tumbler with Cool Grip


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The Sea to Summit® X-Tumbler™ with Cool Grip gives you an easy-to-grip, stable drinking cup that packs easily for use in the backcountry. Designed to collapse into a 5/8" disc for optimal storage in your backpack, this unique tumbler has heat-dispersing fins that make it easy to grip without burning your fingers. Calibrated ridges let you use this collapsible tumbler as a measuring cup, saving valuable space and weight in your pack. The X-Tumbler features collapsible, food-grade silicone construction with a rigid glass-reinforced nylon ring at the top to provide stability. Nests together with other X-Series cookware and dinnerware from Sea to Summit for easy storage and transport. BPA-free.
Manufacturer model #: 580CG.

  • BPA-free, food-grade silicone construction
  • Collapses to a 5/8" disc for optimal storage
  • Glass-reinforced nylon ring at the top for stability
  • Heat-dispersing fins protect your fingers
  • Doubles as a measuring cup with calibrated ridges
  • Nests with other Sea to Summit X-series products for easy storage and transport
Web ID: 101102700