Based on 4 r/BuyItForLife mentions

Trek Tumbler

$27.99

Simple Modern

The Simple Modern Trek Tumbler is double walled and vacuum insulated to keep your drink hot or cold for hours. The cup is outfitted with an ergonomic handle, that is aesthetically designed for comfort. It comes with a straw lid and removeable straw so you can enjoy your favorite beverage on the go. The straw lid is four-way threaded to allow four different straw placements for your drinking hand preference. The Trek is made from 18/8 stainless steel and fits standard cupholders, and with a variety of color options, you can get an Emotional Support Water Bottle for whatever outfit or activity the day entails -- Take Us With You.

Reddit mentions

  • “1. Manduka yoga mat 2. Ninja blender 3. Sonicare Diamond 4. Kindle 5. Simple modern 32oz tumbler”
  • “I have a couple of Simple Modern straw tumblers I cycle through at work and home. They keep water cold and that makes it easier for me to drink when I really lack the will to…”
  • “Simple Modern 40OZ tumbler. Tried the Owala and Stanley and thought they were both trash in comparison”
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Product details
Product Highlights
Insulated
Subtype
Tumbler
Material
Stainless Steel
Free Of
BPA-free, Lead-free, Phthalate-free
Material Type
18/8 stainless steel
Dishwasher Safe
Yes (tumbler, lid and straw are top rack dishwasher safe), Yes (top rack dishwasher safe)
Capacity
40 oz
Number of Pieces
1
Use
Cold beverages, Hot beverages
Top Use Cases
On the go
Typical Users
Women
Age Range
Adult
Solution For
Staying hydrated
Durability
Made without lead, BPA and Phthalate
Hand Crafted
No
Leakproof
Leak-Resistant
Break Resistance
Durable
Dent Resistance
Not covered by warranty
Scratch Resistance
Not covered by warranty
Height
12.6 in
Size
12.6"H x 3.83"W x 5.63"D
Color
Blue Dune Checkmate, 80s Mix, Almond Birch, Aqua Aura, Berry Iridescent
Embellishment
Tie Dye, Checkmate, Houndstooth, Iridescent, Leopard
Style
Tapered shape with handle
Texture
Powder Coat
Design Highlights
With Straw, With Lid
Shape
Tapered shape, Tapered shape, Tumbler
Set Size
Three-Piece
Count
1