Plastic-free alternatives
Natural-fiber substitutes for Organic Basics — Core Tube Top in the Shirts category.
Organic Basics
Core Tube Top
88% Organic Cotton, 12% Elastane
24 plastic-free alternatives
Sorted by Health Impact score. All have 0% synthetic content — no microplastic shedding, no plastic on skin.
Icebreaker
Unisex Merino 150 Short Sleeve Pocket Tee
100% Merino Wool
Icebreaker
Men's Merino 150 Tech Lite Short Sleeve Tee Bear Catch
100% Merino
Filson
210g Merino Wool Short Sleeve Crewneck T-Shirt - Dark Navy
100% Merino
Black Crows
Women's Merino Wool Short Sleeve Tee
100% Merino Wool
Icebreaker
Women's Merino 150 Tech Lite Short Sleeve Tee Sparkling Stars
100% Merino Wool
Smartwool
Men's Alpine Crew
100% Merino Wool
Icebreaker
Men's Merino 150 Tech Lite Long Sleeve Tee Peak Balance
100% Merino
Kathmandu
Women's K-Merino 250 Long Sleeve Top - Beech
100% Merino Wool
Wild Rye
Evie Raglan
100% Merino Wool
Icebreaker
Women's Merino 150 Tech Lite Short Sleeve Tee Sparkling Stars
100% Merino Wool
Icebreaker
Men's Merino 200 ZoneKnit™ Long Sleeve Crewe Thermal Top
100% Merino Wool
Montura
MERINO CONCEPT T-SHIRT
100% Merino Wool
Icebreaker
Women's Merino 150 Tech Lite Short Sleeve Crop Tee Seed Story
100% Merino Wool
Filson
400g Merino Wool Long Sleeve Half-zip - Black
100% Merino Wool
Filson
210g Merino Wool Short Sleeve Crewneck T-Shirt - Rugged Tan
100% Merino
Icebreaker
Men's Merino 150 Tech Lite Short Sleeve Tee Elevation Line
100% Merino
Icebreaker
Men's Merino 150 Tech Lite Short Sleeve Tee Transportage
100% Merino
Icebreaker
Men's Merino 150 Tech Lite Short Sleeve Tee Peaceful Pass
100% Merino
Icebreaker
Men's 150 MerinoFine™ Ace Long Sleeve Tee
100% Merino Wool
Icebreaker
Men's Merino 150 Tech Lite Short Sleeve Relaxed Tee Fern Study
100% Merino Wool
Montura
MERINO BREATH T-SHIRT WOMAN
100% Merino Wool
Icebreaker
Women's Merino 150 Tech Lite Short Sleeve Tee
100% Merino
Icebreaker
Unisex Merino 150 Long Sleeve Tee Stripe
100% Merino Wool
Smartwool
Women's Alpine Crew
100% Merino Wool