The Distance Pullover, $110, is balanced to get your warmth without weight.
The Distance Shirt, $68, is made of featherlight Italian fabric, with micro-ventilation for breathability, and has anti-chafe seams.
Get your jog on in the Distance Short, $58-68. They are made with flyweight fabric, with lasercut ventilation, and even have a t-shirt loop (to tote your shirt when your sweating buckets.)
Pick your inseam (7" or 9") with the Foundation Short, $58-68.
The Interval Shirt, $68, is made of sweat-wicking, quick-try Italian fabric, and has a permanent anti-oder treatment.
The Interval Short, $58-68, is made with ultra-light, 4-way stretch fabric, and available in three colorways.
You can tell the difference in the naming convention. This tee shirt is not yet in the line-up of Ten Thousand staples. It's available now for the field test: try the 17-001, $48.