Men's Panamint Spring Cottontrails Base Shirt
Men's Panamint Spring Cottontrails Base Shirt
Super soft, lightweight and built for everyday movement, the Runyon Cottontrails™ Short Sleeve Base Shirt is crafted from breathable 100% cotton grown and knitted in the USA. Designed, cut and sewn in Los Angeles, this natural-fiber crew neck shirt features a clean, minimally branded design made for running, hiking, gym workouts, travel and everyday wear.
The lightweight cotton knit is garment-washed and pre-shrunk for a soft, comfortable feel from day one. A classic short sleeve crew neck, knit neckline binding and minimal backside Runyon label create a versatile athletic-inspired T-shirt that transitions easily from trail runs and workouts to casual everyday wear.
Join the Cottontrails™ movement to return to natural fibers with athletic and outdoor apparel made in the USA from USA-grown cotton.
Cottontrails™ Collection
Launched May 1, 2026, the Cottontrails™ Collection is Runyon's line of 100% cotton athletic and outdoor apparel crafted from USA-grown cotton and proudly made in Los Angeles, California. Each garment is handcrafted, garment-washed and pre-shrunk for comfort and a consistent fit. Designed for running, hiking, training, travel and everyday adventures, Cottontrails™ brings natural fibers back to active and outdoor apparel.
Engineered and field-tested by endurance athletes, the Cottontrails™ Collection combines natural-fiber comfort with functional designs made for movement. From trail runs and hikes to gym workouts and everyday wear, the collection is built for athletes and outdoor enthusiasts looking for Made in USA cotton apparel and an alternative to synthetic activewear.
Men's Cottontrails™ Short Sleeve Base Shirt
Garment Washed & Pre-Shrunk
| XXS | XS | S | M | L | XL | 2X | |
|---|---|---|---|---|---|---|---|
| 18.5" | 19.5" | 20.5" | 22.5" | 24" | 25" | 27" | |
| 25" | 26.5" | 28" | 28" | 29" | 30" | 31" | |
| 6.75" | 7.25" | 8" | 8.5" | 8.5" | 8.5" | 9" | |
| 19" | 20.5" | 21.25" | 23.25" | 24.5" | 26" | 28" | |
| Ounces | 3.7 | 4.2 | 4.7 | 4.9 | 5.4 | 5.9 | 6.5 |
| Women's Size | S | M | L | XL | 2X | 2X+ | 2X+ |
Measurements are in inches of the apparel flat on a table (1) Chest is pit to pit (2) Length is top of collar to bottom of shirt (3) Sleeve is in length from armpit to cuff
- Breathable
- Cool Weather
- Cotton
- Crew Neck
- Garment-Washed
- Lightweight
- Natural Fiber
- Pre-Shrunk