T-Shirt Size Guide Flat Lay Measurements

Finding your perfect fit is easy.

Lay a well-fitting T-shirt flat on a surface.
Measure across these key areas:

Measure the Chest (Bust) — “A” – From armpit to armpit
Measure the Waist — “B” – Across the narrowest point
Measure the Hips — “C” – Across the bottom hem
Measure the Length — “D” – From the top of the shoulder (near the collar) to the bottom hem
Measure the Shoulders — “E” – From one shoulder seam to the other

Model 4 – Men’s Wide Shoulders Fit (Flat Measurements)

Model 4 is tailored for broad shoulders and narrow waists.
It also fits women and kids with similar body shapes.
Please check the sizing chart for the perfect fit.

Size	Chest (Bust) — “A”		Waist — “B”		Hips — “C”		Length — “D”		Shoulders — “E”
	inches	cm	inches	cm	inches	cm	inches	cm	inches	cm
4XS	16 1/4	41.27	15 1/4	38.74	15 1/4	38.74	26 1/2	67.31	4	10.16
3XS	16 3/4	42.55	15 3/4	40.01	15 3/4	40.01	27	68.58	4 1/8	10.48
2XS	17 1/4	43.81	16 1/4	41.28	16 1/4	41.28	27 1/2	69.85	4 1/4	10.80
XS	17 3/4	45.09	16 5/8	42.23	16 5/8	42.23	28	71.12	4 1/2	11.43
S	18 1/4	46.36	17 1/8	43.52	17 1/8	43.52	28 1/2	72.39	4 3/4	12.07
M	18 7/8	47.94	17 3/4	45.09	17 3/4	45.09	29	73.66	5	12.70
L	19 7/8	50.48	18 3/4	47.63	18 3/4	47.63	29 1/2	74.93	5 1/4	13.34
XL	20 7/8	53.02	19 3/4	50.17	19 3/4	50.17	30	76.2	5 1/2	13.97
2XL	21 1/2	54.61	20 1/2	52.07	20 1/2	52.07	30 1/2	77.47	5 3/4	14.61
3XL	23	58.42	22	55.88	22	55.88	31	78.74	6	15.24
4XL	24 1/2	62.23	23 1/2	59.69	23 1/2	59.69	31 1/2	80.01	6 1/2	16.51

T-Shirt Size Guide – Flat Lay Measurements

Finding your perfect fit is easy.

Lay a well-fitting T-shirt flat on a surface.
Measure across these key areas:

Measure the Chest (Bust) — “A” – From armpit to armpit
Measure the Waist — “B” – Across the narrowest point
Measure the Hips — “C” – Across the bottom hem
Measure the Length — “D” – From the top of the shoulder (near the collar) to the bottom hem
Measure the Shoulders — “E” – From one shoulder seam to the other

T-Shirt Size Guide Model 3 – Classic Men’s / Unisex T-Shirt

Model 3 tee with balanced proportions and clean lines.
This versatile style provides a relaxed fit suitable for all body types.
Although designed for men, it looks great on women who prefer a casual or slightly oversized tee.

Size	Chest (Bust) — “A”		Waist — “B”		Hips — “C”		Length — “D”		Shoulders — “E”
-	inches	cm	inches	cm	inches	cm	inches	cm	inches	cm
4XS	16 7/8	42.86	15 3/4	40.01	16 7/8	42.86	26	66	4 3/4	12.07
3XS	17 3/8	44.15	16 1/4	41.28	17 3/8	44.15	26 1/2	67.31	4 7/8	12.38
2XS	17 7/8	45.41	16 3/4	42.55	17 7/8	45.41	27	69	5	12.70
XS	18 3/8	46.67	17 1/4	43.82	18 3/8	46.67	27 1/2	69.85	5 1/8	13.02
S	19 1/8	48.58	18	45.72	19 1/8	48.58	28	71	5 1/4	13.34
M	19 7/8	50.5	18 3/4	47.63	19 7/8	50.5	28 1/2	72.39	5 3/8	13.65
L	20 5/8	52.39	19 1/2	49.53	20 5/8	52.39	29	74	5 1/2	13.97
XL	21 3/8	54.29	20 1/4	51.44	21 3/8	54.29	29 1/2	74.93	5 5/8	14.29
2XL	22 1/8	56.2	21	53.34	22 1/8	56.2	30	76	5 3/4	14.61
3XL	22 7/8	58.1	21 3/4	55.25	22 7/8	58.1	30 1/2	77.47	5 7/8	14.92
4XL	23 5/8	60	22 1/2	57.15	23 5/8	60	31	78.74	6	15.24

T-Shirt Size Guide – Flat Lay Measurements

Finding your perfect fit is easy.

Lay a well-fitting T-shirt flat on a surface.
Measure across these key areas:

Measure the Chest (Bust) — “A” – From armpit to armpit
Measure the Waist — “B” – Across the narrowest point
Measure the Hips — “C” – Across the bottom hem
Measure the Length — “D” – From the top of the shoulder (near the collar) to the bottom hem
Measure the Shoulders — “E” – From one shoulder seam to the other

Model 1 – Women’s & Girl’s Fitted Tee (Flat-Lay Measurements)

Designed with a flattering feminine silhouette, this tee features a gently curved waist and a tailored fit
that complements the body without clinging.
Perfectly suited for women and girls alike, it offers a comfortable and stylish fit at any age.

Size	Chest (Bust) — “A”		Waist — “B”		Hips — “C”		Length — “D”		Shoulders — “E”
	inches	cm	inches	cm	inches	cm	inches	cm	inches	cm
4XS	14 1/2	36.83	13 1/4	33.66	15 1/2	39.37	23 3/4	60.33	3 1/4	8.26
3XS	15 1/2	39.37	14	35.56	16 1/4	41.28	24 1/4	61.6	3 1/4	8.26
2XS	16 1/4	41.28	14 3/4	37.47	17	43.18	25	63.5	3 3/8	8.57
XS	17	43.18	15 1/2	39.37	18	45.72	25 1/2	64.77	3 1/2	8.89
S	18	45.72	16 1/2	41.91	19	48.26	26 1/4	66.68	3 5/8	9.21
M	19	48.26	17 1/2	44.45	20	50.8	26 3/4	67.95	3 3/4	9.53
L	20	50.8	18 1/4	46.36	21	53.34	27 1/4	69.22	3 7/8	9.84
XL	21	53.34	19 1/4	48.9	22	55.88	27 3/4	70.49	4	10.16
2XL	22	55.88	20 1/4	51.44	23	58.42	28 1/4	71.76	4 1/8	10.48
3XL	22 3/4	57.79	21	53.34	23 3/4	60.33	28 3/4	73.03	4 1/4	10.80
4XL	23 1/2	59.69	21 3/4	55.25	24 1/2	62.23	29	73.66	4 1/2	11.43

Pima Prima® Size Guide

Finding the perfect fit is key to feeling comfortable and confident in your Pima Prima® T-shirt.

Below are the essential measurements for each model to help you choose the right size.

Key Measurements Explained:

Bust/Chest

Measured across the fullest part of the chest (for women) or chest width (for men)

Waist/Hips

Measured at the narrowest point of the waist or fullest part of the hips (for women)

Length

Measured from the highest shoulder point to the bottom hem of the T-shirt

Our Models:

Model 1 – Women’s Fitted
Designed for a flattering, feminine shape with a slightly curved waist. Perfect on its own or layered under a jacket.

Model 3 – Classic Men’s - fit a Women.
A timeless straight-cut fit with balanced proportions, suitable for all body types.

Model 4 – Men’s Wide Shoulders Fit
Created for broader chests and slimmer waists — this athletic cut tapers naturally for a clean, modern silhouette.

Note:

Models 3 and 4, designed with a relaxed and growth fit, can also perfectly suit petite women looking for an oversized, comfortable style. Just be sure to check the measurements carefully to find the best fit for you.

Fit with Confidence – And Consciousness
At Pima Prima® we want you to feel great in your T-shirt. That’s why we offer returns if you're not fully satisfied with your size. But we’re also here to address a bigger issue: the environmental impact of returns and long-distance logistics.

Every return shipped across borders contributes to unnecessary carbon emissions and packaging waste. Our goal is to reduce this burden by helping you choose the right size the first time — through clear measurements, detailed guidance and personalized support.

The problem we’re solving:
Traditional fashion returns create up to 15 million metric tons of CO₂ emissions annually and generate tons of landfill waste. We're working to minimize that footprint — not by eliminating returns, but by making them smarter, fewer, and more sustainable.

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For thousands of years, Peruvian artisans have drawn color from nature—red from cochineal insects, blue from indigo plants and golden ochres from the earth. These natural dyeing techniques, developed long before synthetic dyes existed, demonstrate a profound relationship between the Andean people and their environment. Today these traditions inspire eco-friendly fashion, giving modern garments such as organic Pima cotton t-shirts new meaning rooted in heritage.

The Roots of Color in Ancient Peru

Peru’s natural dyeing traditions stretch back to pre-Columbian civilizations like the Nazca, Moche, Paracas and Inca. They mastered complex methods to color textiles made from cotton, alpaca and llama fibers. These textiles were more than clothing—they told stories, marked social status and expressed spiritual beliefs.

Sources of Natural Dyes

Cochineal (Dactylopius coccus): Found on prickly pear cacti, producing deep reds and purples—once a symbol of Andean royalty. Learn more about cochineal dye
Chilca, Qolle and Molle Trees: Local flora creating natural yellows, greens and browns tied to seasonal cycles

Color, Power and Meaning in the Inca Empire

Textiles under the Inca Empire were political and spiritual tools. The most skilled weavers created garments for nobility and religious leaders. Colors conveyed authority and meaning: brilliant red for warriors, deep blue for nobility and multi-colored motifs for ceremonial use. Even the khipu, a system of knotted cords, incorporated color as a form of information storage—showing how central natural dyes were to communication and social structure.

Natural Dyes in Modern Peru

Across the highlands of Cusco, Ayacucho and the Sacred Valley, artisans are reviving these ancient dyeing methods. Plants are hand-harvested, cochineal is carefully prepared and yarn is dyed over open fires. This revival preserves cultural memory and meets global demand for sustainable fashion. Natural dyes offer healthy eco-friendly alternatives to chemical processes while producing colors of remarkable depth and character.

Pima Prima: Honoring Tradition with Modern Craft

At Pima Prima, we connect this heritage to today’s fashion by creating organic Pima cotton t-shirts dyed with natural methods. Pima cotton, known for its extra-long staple (ELS) fibers, delivers unmatched softness, durability and breathability. When combined with ancestral dyeing traditions, each garment becomes more than clothing—it is a cultural statement supporting artisans and respecting the planet.

Through the Códice de Algodón project, Pima Prima preserves this living legacy while promoting ethical and sustainable fashion worldwide.

Where to Experience Peru’s Dyeing Legacy

Museo Nacional de Arqueología, Antropología e Historia del Perú – Lima: Ancient textiles colored with natural dyes
Museo Larco – Lima: Pre-Columbian masterpieces dyed with cochineal
Museo de Arte de Lima (MALI): Andean weaving techniques and symbolism
Museo Inka – Cusco: Inca textiles, tools and traditional dyes

Threads That Bind Past and Future

The art of natural dyeing is a legacy we can wear and preserve. Understanding the roots of color connects us to stories spanning thousands of years. Pima Prima honors this heritage by offering Pima cotton t-shirts that carry the spirit of Peru’s past into a sustainable and ethical fashion future.

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