Two long-sleeve kids' shirts, one gray with a striped pocket and one red with navy blue sleeves
Young girl wearing a navy and red long sleeve tee shirt against a colorful wall
Young boy wearing a navy and red long sleeve tee shirt with a white background
Two long-sleeve kids' shirts, one red with a pocket and one green with gray sleeves, laid flat.
A young boy wearing a gray and green long sleeve baseball tee leaning against a colorful wall
A young boy wearing a grey long sleeve tee with a striped pocket and tie dye sweatpants
Two long-sleeve kids' shirts, one red with a lightning bolt printed pocket and one gray with yellow sleeves
A boy sitting crossed legged on the floor wearing a gray and yellow long sleeve baseball tee
a young girl wearing a red long sleeve tee with a lightning bolt print pocket sitting on a bench against a colorful wall
close up view of a gray lightning bolt print pocket on a red shirt
Two long-sleeve kids' shirts, one yellow with a tiger print pocket and one teal with navy blue sleeves
a boy in an active pose wearing a navy and teal long sleeve baseball tee and yellow sweatpants
a young child climbing a tree wearing a navy and teal long sleeve baseball tee
Two long-sleeve kids' shirts, one olive green with a pocket and one white with blue sleeves
a young boy wearing a olive green long sleeve tee and yellow sweatpants
Two long-sleeve kids' shirts, one green with a pocket and one gray with navy blue sleeves
a boy walking wearing a gray and navy blue long sleeve baseball tee and black pants
Two long-sleeve kids' shirts, one navy blue with a pocket and one white with teal sleeves, laid flat.
a girl sitting on a wooden stool wearing a teal and white long sleeve baseball tee and yellow pants
Two long-sleeve kids' shirts, one blue with a galaxy print pocket and white with gray sleeves
a young boy sitting on a rock wearing a blue long sleeve tee with a galaxy print on the pocket
Two long-sleeve shirts, one yellow and one teal with navy blue sleeves on a white background
Child wearing a yellow long-sleeve shirt with a pocket and pink pants on a white background
Roll over image to zoom in Click on image to zoom
Two long-sleeve kids' shirts, one gray with a striped pocket and one red with navy blue sleevesYoung girl wearing a navy and red long sleeve tee shirt against a colorful wallYoung boy wearing a navy and red long sleeve tee shirt with a white backgroundTwo long-sleeve kids' shirts, one red with a pocket and one green with gray sleeves, laid flat.A young boy wearing a gray and green long sleeve baseball tee leaning against a colorful wallA young boy wearing a grey long sleeve tee with a striped pocket and tie dye sweatpantsTwo long-sleeve kids' shirts, one red with a lightning bolt printed pocket and one gray with yellow sleevesA boy sitting crossed legged on the floor wearing a gray and yellow long sleeve baseball teea young girl wearing a red long sleeve tee with a lightning bolt print pocket sitting on a bench against a colorful wallclose up view of a gray lightning bolt print pocket on a red shirtTwo long-sleeve kids' shirts, one yellow with a tiger print pocket and one teal with navy blue sleevesa boy in an active pose wearing a navy and teal long sleeve baseball tee and yellow sweatpants a young child climbing a tree wearing a navy and teal long sleeve baseball teeTwo long-sleeve kids' shirts, one olive green with a pocket and one white with blue sleevesa young boy wearing a olive green long sleeve tee and yellow sweatpantsTwo long-sleeve kids' shirts, one green with a pocket and one gray with navy blue sleevesa boy walking wearing a gray and navy blue long sleeve baseball tee and black pantsTwo long-sleeve kids' shirts, one navy blue with a pocket and one white with teal sleeves, laid flat.a girl sitting on a wooden stool wearing a teal and white long sleeve baseball tee and yellow pantsTwo long-sleeve kids' shirts, one blue with a galaxy print pocket and white with gray sleevesa young boy sitting on a rock wearing a blue long sleeve tee with a galaxy print on the pocketTwo long-sleeve shirts, one yellow and one teal with navy blue sleeves on a white backgroundChild wearing a yellow long-sleeve shirt with a pocket and pink pants on a white background

Kids Organic Cotton Long Sleeve Tee 2-Pack

Mightly
Color: Red Set Go
Size: 4T
Price:
$36.95

Kids Organic Cotton Long Sleeve Tee 2-Pack – GOTS Certified & Fair Trade

The Ultimate Blend of Play-Ready Durability and Eco-Conscious Comfort

Upgrade your child’s everyday wardrobe with the Mightly Kids Organic Cotton Long Sleeve Tee 2-Pack. This essential set includes one classic long sleeve pocket tee and one sporty long sleeve raglan tee, offering two distinct, high-quality styles in one convenient bundle. Designed by moms and built for adventure, these tees are great for layering and transitional seasons, providing the perfect weight for shifting weather. Whether they are heading to school, the playground, or a weekend outing, these shirts offer a slim-fit silhouette that looks modern while feeling incredibly soft against sensitive skin.

At Mightly, we believe kids' clothes should be as tough as they are kind to the planet. That’s why our long sleeve tees are crafted from 100% GOTS-certified organic cotton, grown without harmful pesticides and dyed with non-toxic, kid-safe pigments. With two premium shirts in every pack, you’re always ready for the next adventure.

Why Parents Love Our Organic Long Sleeve Tees:

  • Certified Organic Comfort: Made with 100% GOTS (Global Organic Textile Standard) cotton, ensuring the fabric is free from toxic chemicals, GMOs, and synthetic fertilizers.
  • Ethically Manufactured: Produced in a Fair Trade Certified™ factory, supporting fair wages and safe working conditions for the farmers and makers behind your clothes.
  • Sensitive Skin Friendly: Features itch-free heat-transfer labels and non-toxic dyes, making it the perfect choice for children with sensory sensitivities or eczema.
  • Built for Active Play: Our pre-shrunk, high-quality knit fabric is designed to withstand frequent washes without losing its shape or softness.
  • Sustainable Style: Timeless, gender-neutral colors and durable construction make these tees easy to hand down, reducing textile waste.

Product Specifications:

  • Includes: 2 Long Sleeve T-Shirts (1 Pocket Tee, 1 Raglan Tee)
  • Material: 100% Organic Cotton
  • Fit: Gender Neutral Slim Fit (Size up for a roomier "room to grow" fit)
  • Certifications: GOTS Certified, Fair Trade Certified
  • Care: Machine wash cold, tumble dry low
  • Origin: Designed in California, Made in India

 

Lion + Owl Body Size Chart

Size XS (4-6) S (7-8) M (10-12) L (14-16) XL (18-20)
Chest 24-26" 27-28" 29-30.5" 33.5-35.5" 36.5-37.5"
Waist 20.5-22" 22-25" 26-28" 28-30" 30-32"
Low Hip 22.5-26" 26-29.5" 30-32" 33-34" 35-36"
Inseam 19-21" 22-24" 25-27" 28-30" 31-33"

 

L + O Team Tee

Size XS S M L XL
HPS Length 15.75" 17.75" 19.75" 21.75" 23.75"
Chest Circ. 27" 29" 31" 33" 35"
Bottom Opening 26" 28" 30" 32" 34"

 

EveryWear Hoodie

Size XS S M L XL
HPS Length 15.75" 17.75" 19.75" 21.75" 23.75"
Chest Circ. 27" 29" 31" 33" 35"
Sleeve Length 14.25" 14.375" 14.875" 15.125" 15.25"

 

Funday Joggers

Size XS S M L XL
Inseam 21" 22" 24.5" 25" 25.5"
Waist Circ. 20" 22" 23" 26" 28"
Hip Circ. 29.5" 31" 32" 35" 36"

 

All-Day Leggings

Size XS S M L XL
Inseam 19.5" 20.5" 23" 23.5" 24"
Waist Circ. 19" 21" 23" 26" 29"
Hip Circ. 21" 23" 25" 28" 30"

 

Baby Apparel

Size Weight
0-3 Months 7-12 lbs
3-6 Months 12-17 lbs
6-12 Months 17-22 lbs
12-18 Months 22-27 lbs
18-24 Months 27-30 lbs

 

Kids Apparel

Size Height Chest Waist Hip
2 33"-36" 20" 20.5" 20.5"
3 35"-38" 21.5" 21.5" 21.5"
4 39"-42" 22.5" 22" 22.5"
5 41"-44" 23.5" 22.5" 24"
6 44"-47" 24" 23" 25.5"
7 47"-50" 26" 24" 27"
8 50"-53" 27" 24" 28.5"
10 53"-56" 28" 25" 30"
12 56"-59" 30.5" 27.5" 31.5"
14 58"-61" 31.75" 28" 33"

 

Baby Pajamas

Baby Sizes Height Weight
Newborn up to 18" up to 7 lbs
0 - 3 Months 18 - 23" 7 - 11 lbs
3 - 6 Months 23 - 27" 11 - 15 lbs
6 - 9 Months 27 - 28 1/2" 15 - 18 lbs
9 - 12 Months 28 1/2 - 30" 18 - 22 lbs
12 - 18 Months 30 - 32" 22 - 27"
18 - 24 Months 32 - 34" 27 - 30"
womens bra

 

Baby Playwear


Baby Sizes Height Weight
Newborn up to 18" up to 7 lbs

0 - 3 Months

 18 - 23" 7 - 11 lbs
3 - 6 Months 23 - 27" 11 - 15 lbs
6 - 9 Months 27 - 28 1/2" 18 - 22 lbs
9 - 12 Months 28 1/2 - 30" 22 - 27lbs
12 - 18 Months 30 - 32" 22 - 27lbs
18 - 24 Months 32 - 34" 27 - 30"

 

Baby Accessories

Baby Accessory Sizes Head Size Weight
0 - 6 Months 16" up to 15 lbs
6 - 12 Months 18" up to 22 lbs

 

Girls Underwear Size Chart

 Size Numeric Size Height Weight
XX-Small 2T/3T 35" - 40" 41 - 45 lbs
X-Small  4T/5T 41" - 46" 46 - 52 lbs
Small  6/7 47" - 50" 53 - 59 lbs
Medium  8 50" - 53" 59 - 65 lbs
Large  10 53" - 56" 65 - 73 lbs
X-Large 12 56" - 59" 73 - 81 lbs
XX-Large 14 59" - 62" 81 - 95 lbs

 

Girls Bralette Size Chart

 Size Numeric Size Height Weight Band
Medium  8 50" - 53" 59 - 65 lbs 22"
Large  10 53" - 56" 65 - 73 lbs 23"
X-Large 12 56" - 59" 73 - 81 lbs 24 1/2"
XX-Large

14

 59" - 62" 81 - 95 lbs 26"

 

Boys Underwear Size Chart

 Size Height Weight Waist Hip
X-Small (4/5) 43" - 46" 46 - 52 lbs 23" 24"
Small (6/7) 47" - 50" 53 - 59 lbs 23 1/2" 25 1/2"
Medium (8) 50" - 53" 59 - 65 lbs 23 1/2"

27"
Large (10) 53" - 56" 65 - 73 lbs 24" 28 1/2"

X-Large (12)

 56" - 59" 73- 81 lbs 24 1/2" 30"

XX-Large (14)

 59"- 62" 81 - 95 lbs 25" 31 1/2"

 

Kids Sleepwear Size Chart

 Size Height Weight Chest Waist Hip
2T 33" - 36" 30 - 33 lbs 20" 20" 21"
3T 36" - 39" 33 - 36 lbs 21" 21" 22"
4T 39" - 42" 36 - 40 lbs 22" 22" 23"
5T 42" - 45" 40 - 44 lbs 23" 22" 24"
6 45" - 48" 44 - 50 lbs 24" 23" 25"
7 48" - 51" 50 - 55 lbs 25" 23" 26"
8 51" - 54" 55 - 60 lbs 26" 23"" 27"
10 54" - 56 1/2" 60 - 68 lbs 27" 24" 28"
12 56 1/2" - 59" 68 - 75 lbs 28" 24" 30"
14 59" - 62" 75 - 85 lbs 29" 25" 31"

 

Adult Unisex Sleepwear Size Chart

 Size Inseam Chest Waist Hip
X-Small  30" 34" 26" 36"
Small  30.5" 36" 28" 38"
Medium  31" 39" 31"

41"
Large  31.5" 42" 34" 44"

X-Large 

 31.5" 46" 38" 48"

XX-Large 

 31.5" 50" 42" 52"

 

Kids Apparel Size Chart

 Size Height Weight Chest Waist Hip
2T 33" - 36" 33 - 37 lbs 20 1/2" 20" 21"
3T 36" - 39" 37 - 41 lbs 21 1/2" 21" 22"
4T 39" - 42" 41 - 45 lbs 22 1/2" 22" 23"
X-Small (4/5) 43" - 46" 46 - 52 lbs 23" - 24" 23" 24"
Small (6/7) 47" - 50" 53 - 59 lbs 24 1/2" - 25 1/2" 23 1/2" 25 1/2"
Medium (8) 50" - 53" 59 - 65 lbs 26 1/2" 23 1/2" 27"
Large (10) 53" - 56" 65 - 73 lbs 27 1/2" 24" 28 1/2"
X-Large (12) 56" - 59" 73 - 81 lbs 28 1/2" 24 1/2"

30"
XX-Large (14) 59" - 62" 81 - 95 lbs 29 1/2" 25"

31 1/2"

 

Kids Sock Size

 Size Shoe Size
Small 9 - 11
Medium 12 - 13
Large 1 - 4

 

Of an Origin (Pre-Pregnancy Measurements)

 OAO Size (combined) OAO Size Bust Waist Hip

 

XS/S

XS

S

33-35

36-37

25-26

27-28

34-36

37-38

 

M/L

M

L

38-39

40-41

29-30

31-34

39-40

41-43

 

XL/1X

XL

1X

42-44

45-47

35-38

39-41

44-46

47-50

 

2X/3X

2X

3X

48-51

52-56

42-45

46-50

51-54

56-59

Of an Origin size chart

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