The Lightweight GRS Certified Recycled Poly 3" Run Short
Men’s Sizing
Kids Sizing
Women’s Tops & Jackets
Neck Measuring: Measure around the base of your own neck, keeping one finger between your neck and the tape measure.
Sleeve Measuring: Place your hand on your hip with your arm bent at 90 degrees. Measure from the middle of the back of your neck, across your shoulder and down your arm to the wrist.
| Size | Bust | Waist | Hip |
|---|---|---|---|
| XS | 31.5" (80cm)-32.5" (83cm) | 24" (61cm)-25" (64cm) | 34.5" (88cm)-35.5" (90cm) |
| S | 33.5" (85cm)-34.5" (88cm) | 26" (66cm)-27" (67cm) | 36.5" (93cm)-37.5" (95cm) |
| M | 35.5" (90cm)-36.5" (93cm) | 28" (71cm)-29" (74cm) | 38.5" (98cm)-39.5" (100cm) |
| L | 37.5" (95cm)-39" (99cm) | 30" (76cm)-32" (81cm) | 40.5" (103cm)-42" (107cm) |
| XL | 39.5" (100cm)-41" (104cm) | 33" (84cm)-35" (89cm) | 42.5" (108cm)-44" (112cm) |
| XXL | 41.5" (105cm)-43" (109cm) | 36" (91cm)-38" (97cm) | 44.5" (113cm)-46" (117cm) |
| 1X (18-20) | 45" (114cm)-47" (119cm) | 39" (99cm)-41" (104cm) | 49" (124cm)-51" (130cm) |
| 2X (22-24) | 48" (123cm)-51" (130cm) | 42" (107cm)-45" (114cm) | 52" (132cm)-55" (140cm) |
| 3X (26-28) | 52" (132cm)-55" (140cm) | 46" (117cm)-49" (124cm) | 56" (142cm)-59" (150cm) |
Women’s Bras
| Size | Bust | Bra Size |
|---|---|---|
| XS | 31.5" (80cm) - 32.5" (83cm) | 32A, 32B |
| S | 33.5" (85cm) - 34.5" (88cm) | 32C, 34A, 34B |
| M | 35.5" (90cm) - 36.5" (93cm) | 32D, 32DD, 34C, 34D, 36A, 36B |
| L | 37.5" (95cm) - 39" (99cm) | 34DD, 36C, 36D, 38B |
| XL | 39.5" (100cm) - 41" (104cm) | 36DD, 38C, 38D, 40C |
| XXL | 41.5" (105cm) - 43" (109cm) | 38DD, 40D, 40DD |
| 1X (18-20) | 45" (114cm) - 47" (119cm) | 42C, 42D, 42DD, 44C |
| 2X (22-24) | 48" (123cm) - 51" (130cm) | 44D, 44DD, 46C, 46D, 46DD, 48C |
| 3X (26-28) | 52" (132cm) - 55" (140cm) | 48D, 48DD, 50C, 50D, 50DD |
Women’s Seamless Sizes
| Size | Bust | Waist | Hip |
|---|---|---|---|
| XS/S | 34" (86cm) | 27" (68cm) | 37" (94cm) |
| S/M | 36" (91cm) | 29" (74cm) | 39" (99cm) |
| M/L | 38" (96cm) | 31" (79cm) | 41" (104cm) |
Women’s Bottoms
For alpha sizes — use the waist and hip measurement as a guide to help pick the right size. If you find you are between sizes, think about what activites you would be doing and order the smaller size for a tighter fit or the larger size for a looser fit. If your waist and hip measurements correspond to two different sizes, order to fit your hip measurement.
For numeric sizes — Use your waist as a guide. Our pants should fit like your regular number sized pants, if you're a 6 in other brands you should be a 6 in our pants.
| Size | Pant Size | Numeric Size | Waist | Hip |
|---|---|---|---|---|
| XS | 24 25 |
0 2 |
24" (61cm) 25" (64cm) |
34.5" (88cm) 35.5" (90cm) |
| S | 26 27 |
4 6 |
26" (66cm) 27" (69cm) |
36.5" (93cm) 37.5" (95cm) |
| M | 28 29 |
8 10 |
28" (71cm) 29 (74cm) |
38.5" (98cm) 39.5" (100cm) |
| L | 30 31 |
12 14 |
30" (76cm) 32" (81cm) |
40.5" (103cm) 42" (107cm) |
| XL | 32 33 |
16 | 34" (86cm) | 44" (112cm) |
| XXL | 33 34 |
18 | 36" (91cm) | 46" (117cm) |
| 1X | – | 18-20 | 39" (99cm) 41" (104cm) |
49" (124cm) 51" (130cm) |
| 2X | – | 22-24 | 42" (107cm) 45" (114cm) |
52" (132cm) 55" (140cm) |
| 3X | – | 26-28 | 46" (117cm) 49" (124cm) |
56" (142cm) 59" (150cm) |
Men’s Tops & Jackets
Neck Measuring: Measure around the base of your own neck, keeping one finger between your neck and the tape measure.
Sleeve Measuring: Place your hand on your hip with your arm bent at 90 degrees. Measure from the middle of the back of your neck, across your shoulder and down your arm to the wrist.
| Size | Chest | Waist | Hip |
|---|---|---|---|
| S | 35" (89cm)-37" (94cm) | 28" (71cm)-31" (79cm) | 34" (86cm)-37" (94cm) |
| M | 38" (97cm)-41" (104cm) | 32" (81cm)-34" (86cm) | 38" (97cm)-41" (104cm) |
| L | 42" (107cm)-44" (112cm) | 35" (89cm)-38" (97cm) | 42" (107cm)-44" (112cm) |
| XL | 45" (114cm)-47" (119cm) | 39" (99cm)-41" (104cm) | 45" (114cm)-47" (119cm) |
| 2XL | 48" (123cm)-50" (127cm) | 43" (109cm)-45" (114cm) | 48" (123cm)-50" (127cm) |
Men’s Bottoms
For alpha sizes — use the waist and hip measurement as a guide to help pick the right size. If you find you are between sizes, think about what activites you would be doing and order the smaller size for a tighter fit or the larger size for a looser fit. If your waist and hip measurements correspond to two different sizes, order to fit your hip measurement.
For numeric sizes — Use your waist as a guide. Our pants should fit like your regular number sized pants, if you're a 32 in other brands you should be a 32 in our pants.
| Alpha Pant Size | Waist | Hip |
|---|---|---|
| S | 28" (71cm) – 31" (79cm) | 35" (89cm) – 37" (94cm) |
| M | 32" (81cm) – 34" (86cm) | 38" (97cm) – 41" (104cm) |
| L | 35" (89cm) - 38" (97cm) | 42" (107cm) - 44" (112cm) |
| XL | 39" (99cm) – 41" (104cm) | 45" (114cm) - 47" (119cm) |
| 2XL | 43" (109cm) – 45" (114cm) | 48" (123cm) - 50" (127cm) |
| Numeric Pant Size | Waist | Hip |
|---|---|---|
| 30 31 |
31.5" (80cm) 32.5" (83cm) |
37.5" (95cm) 38.5" (98cm) |
| 32 33 |
33.5" (85cm) 34.5" (88cm) |
39.5" (100cm) 40.5" (103cm) |
| 34 35 |
35.5" (90cm) 36.5" (93cm) |
36.5" (93cm) 42.5" (108cm) |
| 36 | 37.5" (95cm) | 43.5" (110cm) |
| 38 | 39.5" (100cm) | 45.5" (116cm) |
Girl’s Tops & Bottoms
Below are the body measurements following North American standards for youth girls.
| USA | S (7/8) | M (10/12) | L (14/16) |
| Canada | M (7/8) | L (10/12) | XL (14/16) |
| Size | Chest | Waist | Hip | Height | Inseam |
|---|---|---|---|---|---|
| 7/8 | 25-27" (63.5–68.5 cm) | 22.75-24" (58–61 cm) | 26.25-28" (67–71 cm) | 50-52" (127–132 cm) | 22.5-23.75" (57–60 cm) |
| 10/12 | 29.5-31.5" (75-80 cm) | 25.5-26.75" (65-68 cm) | – | 57-62" (145-157 cm) | 26.5-29" (67-74 cm) |
Unisex/Boy’s Tops & Bottoms
Below are the body measurements following North American standards for youth unisex/boys.
| USA | S (7/8) | M (10/12) | L (14/16) |
| Canada | M (7/8) | L (10/12) | XL (14/16) |
| Size | Chest | Waist | Height | Inseam |
|---|---|---|---|---|
| 7/8 | 24.75-27" (63-69 cm) | 23-25" (58-63.5 cm) | 50-52" (127-132 cm) | 22.75-24" (58-61 cm) |
| 10/12 | 29-31.5" (74-81 cm) | 26.75-28.5" (68-73 cm) | 57-61.5" (145-157 cm) | 26.5-29" (68-74 cm) |
Complete the Look
A 3" inseam run short made with 90% recycled polyester, featuring a built-in brief liner. Drawstring waistband, key pocket, and an overlapping side detail. Breathability, stretch, and moisture-wicking. Tailored for high-intensity workouts, track days, or warm-weather training.
-
Responsibly Made
Ethically sourced and produced using socially responsible practices
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Moisture Wicking, Quick Drying
Draws sweat away from your skin to keep you dry and comfortable
-
Breathable
Lets airflow through to keep you cooler
-
Flex woven
Durable stretch woven for ease of movement and versatility
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GRS Certified recycled poly
GRS Certified recycled polyester fabric
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Elasticated waistband
For a comfortable fit
-
Drawcord
Cinchable to adjust the fit
-
Perforated panels
Adds breathability for greater comfort
-
Back zippered key pocket
Secure storage fror small items
-
Built-in brief liner
For added inner stability
-
Fit Semi-Fitted
Semi-fitted: contours your body with a bit of room
-
Inseam length
3"
Fabric Content
- 90% Recycled Polyester
- 10% Spandex
Care Instructions
- Wash with similar colours
- Use cold water
- Machine wash normal cycle
- Remove immediately after washing
- Do not bleach
- Tumble dry on low heat
- Do not iron
- Do not dry clean
Style Code: 10C0147
Choose options
Men’s Sizing
Kids Sizing
Women’s Tops & Jackets
Neck Measuring: Measure around the base of your own neck, keeping one finger between your neck and the tape measure.
Sleeve Measuring: Place your hand on your hip with your arm bent at 90 degrees. Measure from the middle of the back of your neck, across your shoulder and down your arm to the wrist.
| Size | Bust | Waist | Hip |
|---|---|---|---|
| XS | 31.5" (80cm)-32.5" (83cm) | 24" (61cm)-25" (64cm) | 34.5" (88cm)-35.5" (90cm) |
| S | 33.5" (85cm)-34.5" (88cm) | 26" (66cm)-27" (67cm) | 36.5" (93cm)-37.5" (95cm) |
| M | 35.5" (90cm)-36.5" (93cm) | 28" (71cm)-29" (74cm) | 38.5" (98cm)-39.5" (100cm) |
| L | 37.5" (95cm)-39" (99cm) | 30" (76cm)-32" (81cm) | 40.5" (103cm)-42" (107cm) |
| XL | 39.5" (100cm)-41" (104cm) | 33" (84cm)-35" (89cm) | 42.5" (108cm)-44" (112cm) |
| XXL | 41.5" (105cm)-43" (109cm) | 36" (91cm)-38" (97cm) | 44.5" (113cm)-46" (117cm) |
| 1X (18-20) | 45" (114cm)-47" (119cm) | 39" (99cm)-41" (104cm) | 49" (124cm)-51" (130cm) |
| 2X (22-24) | 48" (123cm)-51" (130cm) | 42" (107cm)-45" (114cm) | 52" (132cm)-55" (140cm) |
| 3X (26-28) | 52" (132cm)-55" (140cm) | 46" (117cm)-49" (124cm) | 56" (142cm)-59" (150cm) |
Women’s Bras
| Size | Bust | Bra Size |
|---|---|---|
| XS | 31.5" (80cm) - 32.5" (83cm) | 32A, 32B |
| S | 33.5" (85cm) - 34.5" (88cm) | 32C, 34A, 34B |
| M | 35.5" (90cm) - 36.5" (93cm) | 32D, 32DD, 34C, 34D, 36A, 36B |
| L | 37.5" (95cm) - 39" (99cm) | 34DD, 36C, 36D, 38B |
| XL | 39.5" (100cm) - 41" (104cm) | 36DD, 38C, 38D, 40C |
| XXL | 41.5" (105cm) - 43" (109cm) | 38DD, 40D, 40DD |
| 1X (18-20) | 45" (114cm) - 47" (119cm) | 42C, 42D, 42DD, 44C |
| 2X (22-24) | 48" (123cm) - 51" (130cm) | 44D, 44DD, 46C, 46D, 46DD, 48C |
| 3X (26-28) | 52" (132cm) - 55" (140cm) | 48D, 48DD, 50C, 50D, 50DD |
Women’s Seamless Sizes
| Size | Bust | Waist | Hip |
|---|---|---|---|
| XS/S | 34" (86cm) | 27" (68cm) | 37" (94cm) |
| S/M | 36" (91cm) | 29" (74cm) | 39" (99cm) |
| M/L | 38" (96cm) | 31" (79cm) | 41" (104cm) |
Women’s Bottoms
For alpha sizes — use the waist and hip measurement as a guide to help pick the right size. If you find you are between sizes, think about what activites you would be doing and order the smaller size for a tighter fit or the larger size for a looser fit. If your waist and hip measurements correspond to two different sizes, order to fit your hip measurement.
For numeric sizes — Use your waist as a guide. Our pants should fit like your regular number sized pants, if you're a 6 in other brands you should be a 6 in our pants.
| Size | Pant Size | Numeric Size | Waist | Hip |
|---|---|---|---|---|
| XS | 24 25 |
0 2 |
24" (61cm) 25" (64cm) |
34.5" (88cm) 35.5" (90cm) |
| S | 26 27 |
4 6 |
26" (66cm) 27" (69cm) |
36.5" (93cm) 37.5" (95cm) |
| M | 28 29 |
8 10 |
28" (71cm) 29 (74cm) |
38.5" (98cm) 39.5" (100cm) |
| L | 30 31 |
12 14 |
30" (76cm) 32" (81cm) |
40.5" (103cm) 42" (107cm) |
| XL | 32 33 |
16 | 34" (86cm) | 44" (112cm) |
| XXL | 33 34 |
18 | 36" (91cm) | 46" (117cm) |
| 1X | – | 18-20 | 39" (99cm) 41" (104cm) |
49" (124cm) 51" (130cm) |
| 2X | – | 22-24 | 42" (107cm) 45" (114cm) |
52" (132cm) 55" (140cm) |
| 3X | – | 26-28 | 46" (117cm) 49" (124cm) |
56" (142cm) 59" (150cm) |
Men’s Tops & Jackets
Neck Measuring: Measure around the base of your own neck, keeping one finger between your neck and the tape measure.
Sleeve Measuring: Place your hand on your hip with your arm bent at 90 degrees. Measure from the middle of the back of your neck, across your shoulder and down your arm to the wrist.
| Size | Chest | Waist | Hip |
|---|---|---|---|
| S | 35" (89cm)-37" (94cm) | 28" (71cm)-31" (79cm) | 34" (86cm)-37" (94cm) |
| M | 38" (97cm)-41" (104cm) | 32" (81cm)-34" (86cm) | 38" (97cm)-41" (104cm) |
| L | 42" (107cm)-44" (112cm) | 35" (89cm)-38" (97cm) | 42" (107cm)-44" (112cm) |
| XL | 45" (114cm)-47" (119cm) | 39" (99cm)-41" (104cm) | 45" (114cm)-47" (119cm) |
| 2XL | 48" (123cm)-50" (127cm) | 43" (109cm)-45" (114cm) | 48" (123cm)-50" (127cm) |
Men’s Bottoms
For alpha sizes — use the waist and hip measurement as a guide to help pick the right size. If you find you are between sizes, think about what activites you would be doing and order the smaller size for a tighter fit or the larger size for a looser fit. If your waist and hip measurements correspond to two different sizes, order to fit your hip measurement.
For numeric sizes — Use your waist as a guide. Our pants should fit like your regular number sized pants, if you're a 32 in other brands you should be a 32 in our pants.
| Alpha Pant Size | Waist | Hip |
|---|---|---|
| S | 28" (71cm) – 31" (79cm) | 35" (89cm) – 37" (94cm) |
| M | 32" (81cm) – 34" (86cm) | 38" (97cm) – 41" (104cm) |
| L | 35" (89cm) - 38" (97cm) | 42" (107cm) - 44" (112cm) |
| XL | 39" (99cm) – 41" (104cm) | 45" (114cm) - 47" (119cm) |
| 2XL | 43" (109cm) – 45" (114cm) | 48" (123cm) - 50" (127cm) |
| Numeric Pant Size | Waist | Hip |
|---|---|---|
| 30 31 |
31.5" (80cm) 32.5" (83cm) |
37.5" (95cm) 38.5" (98cm) |
| 32 33 |
33.5" (85cm) 34.5" (88cm) |
39.5" (100cm) 40.5" (103cm) |
| 34 35 |
35.5" (90cm) 36.5" (93cm) |
36.5" (93cm) 42.5" (108cm) |
| 36 | 37.5" (95cm) | 43.5" (110cm) |
| 38 | 39.5" (100cm) | 45.5" (116cm) |
Girl’s Tops & Bottoms
Below are the body measurements following North American standards for youth girls.
| USA | S (7/8) | M (10/12) | L (14/16) |
| Canada | M (7/8) | L (10/12) | XL (14/16) |
| Size | Chest | Waist | Hip | Height | Inseam |
|---|---|---|---|---|---|
| 7/8 | 25-27" (63.5–68.5 cm) | 22.75-24" (58–61 cm) | 26.25-28" (67–71 cm) | 50-52" (127–132 cm) | 22.5-23.75" (57–60 cm) |
| 10/12 | 29.5-31.5" (75-80 cm) | 25.5-26.75" (65-68 cm) | – | 57-62" (145-157 cm) | 26.5-29" (67-74 cm) |
Unisex/Boy’s Tops & Bottoms
Below are the body measurements following North American standards for youth unisex/boys.
| USA | S (7/8) | M (10/12) | L (14/16) |
| Canada | M (7/8) | L (10/12) | XL (14/16) |
| Size | Chest | Waist | Height | Inseam |
|---|---|---|---|---|
| 7/8 | 24.75-27" (63-69 cm) | 23-25" (58-63.5 cm) | 50-52" (127-132 cm) | 22.75-24" (58-61 cm) |
| 10/12 | 29-31.5" (74-81 cm) | 26.75-28.5" (68-73 cm) | 57-61.5" (145-157 cm) | 26.5-29" (68-74 cm) |