Mens Keystone Long Sleeve
Overview:
Our men's Keystone Long Sleeve is a premium everyday tech shirt that can be worn as a baselayer or on its own.
Designed to be warm, breathable, and comfortable
Backed by a lifetime warranty & repair program
Ethically made with recycled 8.1oz Versa fabric
Fit:
Original Fit
A tailored fit that follows body lines without fitting too tightly or too loosely.
The model (our Sales Manager) is 5'11" and 165 lbs and wears a Medium.
Features:
Sweat wicking
Quick drying
Odor resistance
High thermal insulation
Interior hanger loop
Construction:
Custom neck taping
Seamless underarm
High armholes for full mobility
Flatlock stitching
Subtle branding
Drop rear hem
No shrinkage
Materials:
82% GRS Certified Recycled Polyester, 15% Tencel, 3% Spandex | 230 gsm
Roll-packed without plastic using paper twine with recycled paper hangtags
Machine wash cold with like colors
Tumble dry low
Iron low
Wear. Built well and backed by a lifetime warranty.
Repair. Fix well-worn clothing with our in-house repair program.
Repeat. Pass it on to the next wearer using our online marketplace.
Made in Vietnam
Our Tier 1 factory is LEED v4 Gold certified. The factory was WRAP certified through 2023, ensuring that it complied with the 12 WRAP Principles that promote safe, legal, and ethical manufacturing processes. As certification demands have evolved, they are now working toward zero critical non-comformity in a Fairwear Foundation audit in fall of 2024.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



Mens Keystone Long Sleeve
Mens Keystone Long Sleeve
Overview:
Our men's Keystone Long Sleeve is a premium everyday tech shirt that can be worn as a baselayer or on its own.
Designed to be warm, breathable, and comfortable
Backed by a lifetime warranty & repair program
Ethically made with recycled 8.1oz Versa fabric
Fit:
Original Fit
A tailored fit that follows body lines without fitting too tightly or too loosely.
The model (our Sales Manager) is 5'11" and 165 lbs and wears a Medium.
Features:
Sweat wicking
Quick drying
Odor resistance
High thermal insulation
Interior hanger loop
Construction:
Custom neck taping
Seamless underarm
High armholes for full mobility
Flatlock stitching
Subtle branding
Drop rear hem
No shrinkage
Materials:
82% GRS Certified Recycled Polyester, 15% Tencel, 3% Spandex | 230 gsm
Roll-packed without plastic using paper twine with recycled paper hangtags
Machine wash cold with like colors
Tumble dry low
Iron low
Wear. Built well and backed by a lifetime warranty.
Repair. Fix well-worn clothing with our in-house repair program.
Repeat. Pass it on to the next wearer using our online marketplace.
Made in Vietnam
Our Tier 1 factory is LEED v4 Gold certified. The factory was WRAP certified through 2023, ensuring that it complied with the 12 WRAP Principles that promote safe, legal, and ethical manufacturing processes. As certification demands have evolved, they are now working toward zero critical non-comformity in a Fairwear Foundation audit in fall of 2024.
Original: $99.00
-65%$99.00
$34.65Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Overview:
Our men's Keystone Long Sleeve is a premium everyday tech shirt that can be worn as a baselayer or on its own.
Designed to be warm, breathable, and comfortable
Backed by a lifetime warranty & repair program
Ethically made with recycled 8.1oz Versa fabric
Fit:
Original Fit
A tailored fit that follows body lines without fitting too tightly or too loosely.
The model (our Sales Manager) is 5'11" and 165 lbs and wears a Medium.
Features:
Sweat wicking
Quick drying
Odor resistance
High thermal insulation
Interior hanger loop
Construction:
Custom neck taping
Seamless underarm
High armholes for full mobility
Flatlock stitching
Subtle branding
Drop rear hem
No shrinkage
Materials:
82% GRS Certified Recycled Polyester, 15% Tencel, 3% Spandex | 230 gsm
Roll-packed without plastic using paper twine with recycled paper hangtags
Machine wash cold with like colors
Tumble dry low
Iron low
Wear. Built well and backed by a lifetime warranty.
Repair. Fix well-worn clothing with our in-house repair program.
Repeat. Pass it on to the next wearer using our online marketplace.
Made in Vietnam
Our Tier 1 factory is LEED v4 Gold certified. The factory was WRAP certified through 2023, ensuring that it complied with the 12 WRAP Principles that promote safe, legal, and ethical manufacturing processes. As certification demands have evolved, they are now working toward zero critical non-comformity in a Fairwear Foundation audit in fall of 2024.
















