Muscle Up Dark Navy Cottontrails Sleeveless Muscle Tee (Unisex)
Muscle Up Dark Navy Cottontrails Sleeveless Muscle Tee (Unisex)
Our Cottontrails™ Muscle Tees are made with 100% Cotton thats grown in the USA. These Muscle Tees were designed to sit towards the end of the shoulders. Great for pumping iron at the gym, heading out the door for those morning runs, to wearing out on the town.
This style is Unisex -- XXS is Women’s Small and Size S is Women’s Large/Men’s Small.
Cottontrails™ Collection
Launched on May 1, 2026, the Cottontrails™ Collection is our premium line of 100% cotton apparel crafted from USA-grown cotton and proudly Made in Los Angeles, California. Every garment is individually handcrafted, pre-washed, and pre-shrunk for exceptional comfort, durability, and a consistent fit from day one. Designed for adventure and built to perform, our breathable natural fiber clothing is ready for hiking, camping, travel, training, and everyday wear.
Engineered and field-tested by endurance athletes, the Cottontrails™ Collection combines timeless style with rugged performance. Whether you're hitting the trail, exploring the outdoors, working out, or simply looking for high-quality American-made clothing, these garments deliver unmatched comfort, freedom of movement, and long-lasting quality. If you're searching for Made in USA cotton apparel, sustainable natural fiber clothing, premium athletic lifestyle wear, or durable outdoor essentials, the Cottontrails™ Collection was built for your next adventure.
Women's Cottontrails™ Muscle Tee (Unisex)
Garment Washed & Pre-Shrunk
| Unisex Size | XXS | XS | S | M | L | XL | 2X | 3X |
|---|---|---|---|---|---|---|---|---|
| Womens Size | S | M | L | XL | 2X | |||
| Chest | 17.5 | 19 | 19.5 | 22 | 22.5 | 23.5 | 25 | 26.5 |
| Length | 24.5 | 25.5 | 26 | 27 | 28.5 | 29 | 29.5 | 30 |
| Hem | 17.5 | 19 | 19.5 | 21.5 | 22 | 23.5 | 25 | 26.5 |
| Ounces | 3.7 | 4.1 | 4.5 | 4.9 | 5.1 | 5.6 | 5.9 | 6.2 |
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. Size XXS is comparable to a Womens Small and Size XS is comparable to a Womens Medium. Size S is a Men's Small/Womens Large. Measurements taken after garment wash and shrinking.