5° Cooler Naturally

El Capitán Polo

Save 25%

$123.75 $165
  • 5° Cooler with Hyper-Cool Jade®
  • 20x More Breathable than Polyester
  • 99.9% Anti-Odor
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99% reduces odor-causing bacteria by 99.9%
20x 20x more breathable than polyester
5° cooler with Hyper-Cool Jade®

Most Activewear is Made of Plastic

Polyester traps heat and moisture. It is part of the synthetic status quo. The first layer you wear should breathe and feel honest on skin.

Sheds Microplastics

Every time you wear polyester, millions of microplastics shedonto your skin and into the air around you.Do you really want that on your skin?

Full of Toxic Chemicals

Traditional activewear containsformaldehyde, BPA, and synthetic dyesthat absorb directly through your skin — your body's largest organ.

Disrupts Hormones

Studies link polyester's endocrine-disrupting chemicals to hormonal imbalance and skin irritation.What's on your body is in your body.

Performance Without Plastic

5° Cooler with Hyper-Cool Jade®
HyperNatural fabrics are infused with cooling jade minerals that help regulate surface temperature and release heat during movement.

That means:
• less trapped heat
• better breathability
• easier all-day wear

Performance without chemical cooling sprays.
20x More Breathable than Polyester
20x more breathable than polyester to keep you comfortable and dry.
99.9% Anti-Odor
Crab shell chitosan fibers reduces odor-causing bacteria by 99.9%.

That means:
• fresher workouts
• easier travel
• less washing

Functionally better everyday wear.

Ingredients You Can Name

Cooling jade minerals and crab shell go into the fiber story. We translate tech into a simple idea: better materials, better outcomes on skin. Up to 5° cooler in testing versus conventional fabrics.

Certified Non-Toxic

OEKO-TEX® and bluesign® certified where stated. Safe for skin contact and made to perform. Office, travel, course: one layer that is not pretending to be wellness while being plastic.

What Customers Say
"The cashmere of polo shirts, almost too nice for golfing."
— Richard G. | East Hampton, NY
"I run a bit hot, and the Jade stone kept me feeling cool in more ways than one."
— Ben K. | Manhattan Beach, CA
"Wore HyperNatural for several days in a row in South Florida - seriously no odor, and I stayed surprisingly cool."
— Kevin B. | Wellesley, MA
"Simply the best. It is hard to put into words how these shirts have changed the way I think about getting dressed."
— Ben Danahar

Ready for Wearable Wellness?

You’re not just buying another shirt.

You’re choosing a clean first layer for workouts, travel, and daily wear.