Men's Forest Nation Cottontrails Sand Sleeveless Muscle Tee

Golden is comparable to a Mens M with a 38" Chest and is wearing size Small in our Unisex sizing.

Men's Forest Nation Cottontrails Sand Sleeveless Muscle Tee

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RUNYON633-M

Men's Cottontrails™ Muscle Tees

  • Cottontrails™ - 100% Cotton
  • Garment Washed / Pre-Shrunk
  • Natural Fibers Workout Tank Top
  • Curvy Bottom Hem
  • Grown In The USA Cotton
  • Designed, Engineered & Field Tested by Endurance Athletes
  • Cut & Sewed in Los Angeles' Historic Fashion
  • Great for Hiking, Running, Gym, Workout, Fitness and the Outdoors
  • Unisex Sizing -- XXS is Women's Small and Small is Men's Small
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Details

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.

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.

Size Chart

Men's Cottontrails™ Muscle Tee
Garment Washed & Pre-Shrunk

  XXS XS S M L XL 2X 3X
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
Womens Size S M L XL 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. 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. 

Features
Activities & Sports
Running, Hiking, Trail Running, Gym, Workout, Crossfit, Yoga, Pilates, Kayaking
Care Instructions
Wash Cold, No Bleach, No Softener, Tumble Dry Low Heat
Color Description
Sand, Khaki, Beige, Off-White, Light Tan, Oatmeal, Light Brown
Country of Origin
Made In USA
Fabric
5.0 oz Cottontrails™ Cotton
Fabric Content
100% Cotton
Model
Golden - Small
PMS Color
466 - Sand / Khaki
Release Date
July 7, 2026
Brand
Runyon
GTIN
722831321566
MPN
0722831321566
Happy Trails

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Recommendation for purchase

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Tony: Lafayette Indiana.
Tony: Lafayette Indiana.
Verified purchase
05/07/2022
Product variant:  Color/Style: Lime; Size: M
Comment
Awesome Shirt, Love the material
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