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Plastic-free alternatives
Natural-fiber substitutes for Old Navy — Straight Leg Built-In Flex Pull-On Pants for Boys in the Pants category.
Old Navy
Straight Leg Built-In Flex Pull-On Pants for Boys
98% Cotton, 2% Spandex
Health A · 2% synthetic
24 plastic-free alternatives
Sorted by Health Impact score. All have 0% synthetic content — no microplastic shedding, no plastic on skin.
Icebreaker
Kids’ Merino 200 Oasis Thermal Leggings
100% Merino Wool
Quality AHealth A$60.00
Minus33
Women's Heavyweight Wool Leggings Thermal Base Layer Bottom - 100% Merino Wool
100% Merino Wool
Quality AHealth A$149.99
Icebreaker
Women's Merino 200 Oasis 3/4 Thermal Leggings
100% Merino Wool
Quality AHealth A$95.00
Icebreaker
Kids’ Merino 260 Tech Thermal Leggings
100% Merino Wool
Quality AHealth A$70.00
Icebreaker
Men's Merino 200 Oasis Thermal Leggings wFly
100% Merino Wool
Quality AHealth A$120.00
Icebreaker
Men's Merino 175 Everyday Leggings
100% Merino Wool
Quality AHealth A$95.00
Unbound Merino
Women's Ultrafine Merino Sleep Bottoms
100% Merino Wool
Quality AHealth A$138.00
Ibex
Women's Woolies 250 Bottoms
100% Merino Wool
Quality AHealth A$90.00
Ridge Merino
CLEARANCE Men's Hyde Merino Joggers
100% Merino Wool
Quality AHealth A$108.00
Ibex
Men's Woolies 250 Bottoms
100% Merino Wool
Quality AHealth A$135.00
Kathmandu
Women's Aysen Pants - Black
100% Merino
Quality AHealth A$99.00
Wild Rye
Jane Legging
100% Merino Wool
Quality AHealth A$34.50
Icebreaker
Women's Merino 175 Everyday Leggings
100% Merino Wool
Quality AHealth A$95.00
Icebreaker
Women's Granary Culottes
100% Merino Wool
Quality AHealth A$140.00
Icebreaker
Unisex Merino Cotton Twill Adjustable Pants
100% Merino
Quality AHealth A$295.00
Ridge Merino
Women's Hyde Merino Joggers
100% Merino Wool
Quality AHealth A$135.00
Kathmandu
Men's Aysen Pants - Black
100% Merino
Quality AHealth A$99.00
Ridge Merino
Men's Hyde Merino Joggers
100% Merino Wool
Quality AHealth A$135.00
Ridge Merino
Women's Inversion Heavyweight Merino Wool Base Layer Leggings
100% Merino Wool
Quality AHealth A$110.00
Ridge Merino
Women's Inversion Colorblock Merino Wool Base Layer Leggings
100% Merino Wool
Quality AHealth A$70.00
Unbound Merino
Women’s Merino Sweater Pants
100% Merino Wool
Quality AHealth A$198.00
Smartwool
Thermal Merino Jogger
100% Merino Wool
Quality AHealth A$78.00
Unbound Merino
Women’s Merino Linen Pants
75% Merino Wool, 25% Linen
Quality BHealth A$218.00
Tentree
Kaslo Pant
100% Tencel
Quality BHealth A$98.00