Base Layers

Browse and compare the lightest Base Layers for ultralight backpacking. Sort by weight, filter by brand, and find the best Clothing options for your loadout.

50 productsLightest76 gMedian166 gHeaviest440 g

MetricImperial

Brand

–g

	Product	Weight	vs Median
	OdloActive F-Dry Light Eco Base Layer T-Shirt	76 g	-54%
	DecathlonMT500 Merino Wool T-Shirt	91 g	-45%
	PatagoniaMen's Capilene® Cool Ultra Hoody	94 g	-43%
	DecathlonMT500 Merino Wool Mountain Trek Tank Top	98 g	-41%
	PatagoniaCapilene® Cool Lightweight Shirt	98 g	-41%
	PatagoniaCapilene® Lightweight Crew	99 g	-40%
	UNIQLOAIRism Crew Neck T-Shirt	99 g	-40%
	Arc'teryxCormac Crew Neck Shirt LS	135 g	-19%
	IcebreakerMerino Blend 125 ZoneKnit	135 g	-19%
	PatagoniaLong-Sleeved Capilene® Cool Merino Blend Shirt	139 g	-16%
	PatagoniaMen's Capilene® Cool Merino Blend Shirt	139 g	-16%
	BrynjeSuper Thermo Shirt w/ Shoulder Inlay	143 g	-14%
	RabDryflo Tee	143 g	-14%
	UYNEvolutyon Xtreme UW Pants Long	147 g	-11%
	PatagoniaLong-Sleeved Capilene® Cool Daily Shirt	152 g
	PatagoniaCapilene® Midweight Bottoms	158 g
	Arc'teryxCormac Heavyweight Shirt LS	160 g
	The North FaceMen's Summit Series Pro 120 Crew	160 g
	Arc'teryxRho	162 g
	Ridge MerinoMen's Pursuit Ultralight Long Sleeve Merino Shirt	162 g
	IcebreakerMerino 175 Everyday	165 g
	AclimaWoolNet	166 g
	Mountain HardwearCrater Lake™ Hoody	168 g
	IcebreakerMerino 150 Anatomica Tank	171 g
	IcebreakerMerino Blend 125 ZoneKnit Long Sleeve Crewe Thermal Top	173 g
	IcebreakerMerino 200 Oasis Thermal Leggings	178 g
	PatagoniaMen's Capilene® Cool Daily Hoody	179 g
	Arc'teryxRho LT Bottom	180 g
	Ridge MerinoMen's Aspect Midweight Merino Wool Base Layer Bottoms	187 g
	UrbergLyngen Merino T-Shirt 2.0	202 g
	IcebreakerMerino 200 Oasis Long Sleeve Crewe Thermal Top	206 g
	PatagoniaMen's Capilene® Thermal Weight Baselayer Zip-Neck Pullover	206 g
	Icebreaker200 Oasis Leggings with Fly	220 g
	ForclazTrek 500 Long Sleeved Merino Wool Hiking T-Shirt	221 g
	Helly HansenLIFA® Merino Midweight Crew Base Layer	221 g
	ForclazMT500 Merino Wool Long-sleeve Shirt	222 g
	MeriwoolMerino 250 Base Layer Bottom	224 g
	SmartwoolClassic Thermal Merino Base Layer Crew	236 g
	icebreakerMerino 260 Tech Thermal Leggings	240 g
	ForclazTrek 500 Merino Wool Backpacking Tights	247 g
	PatagoniaR1® Air Zip-Neck	289 g
	SmartwoolClassic Thermal Merino Base Layer 1/4 Zip 2 variants	298 g
	WoolpowerCrew Neck 200	440 g
	DecathlonMerino Resist Short-Sleeved T-Shirt	—
	DecathlonMerino Resist Short-Sleeve T-Shirt	—
	LobtreeBase Alpha™ Direct 90 Thermal Legging	—
	MacpacLyell 180 Merino T-Shirt	—
	OdloBlackcomb Eco Base Layer Bottoms	—
	UNIQLOHEATTECH T-Shirt	—
	UYNEvolutyon UW Shirt	—