Green sweater with a yellow emblem on a white background

St. Peter’s Senior Jumper

Sale price€40,00

School Knitted Formal Jumper

A smart and timeless school uniform essential, our School Knitted Formal Wool Jumper is designed to keep students warm, comfortable, and looking neat throughout the school day. Made from soft, durable knit fabric, it offers everyday comfort while maintaining its shape wear after wear.

Perfect for layering over shirts, this wool jumper provides a classic formal look suitable for daily school wear. Finished with ribbed cuffs, hem, and neckline for a comfortable fit, it is built to handle busy school life and regular washing.

Size: 34 (age 11/12)
How to measure

Size Guide:

School jumpers, cardigans and polo shirts.

Size Approx. Age Chest Measurement
22 2–3 yrs 22" / 56 cm
24 3–4 yrs 24" / 61 cm
26 5–6 yrs 26" / 66 cm
28 7–8 yrs 28" / 71 cm
30 9–10 yrs 30" / 76 cm
32 11–12 yrs 32" / 81 cm
34 13–14 yrs 34" / 86 cm
36 15–16 yrs 36" / 91 cm
38 Adult 38" / 97 cm
40 Adult 40" / 102 cm
42 Adult 42" / 107 cm
44 Adult 44" / 112 cm
46 Adult 46" / 117 cm
48 Adult 48" / 122 cm
50 Adult 50" / 127 cm

School Trousers

All measurements are in inches.

Waist Size Leg Option Inside Leg
24" Standard Standard length
25" Standard Standard length
26" Standard Standard length
27" Standard Standard length
28" Standard Standard length
29" Standard Standard length
30" Standard Standard length
31" Standard Standard length
32"–48" Short (S) 29–30"
32"–48" Regular (R) 31–32"
32"–48" Long (L) 33–34"

Leg Length Guide

  • Short (S): 29–30" inside leg
  • Regular (R): 31–32" inside leg
  • Long (L): 33–34" inside leg

Example: 32R means a 32" waist with a 31–32" regular inside leg.

From the sizes where S / R / L are available, the same leg-length measurements apply throughout the range.

School Skirts 

Skirt Size Waist Approx. Hips
6 24" / 61 cm 33" / 84 cm
8 26" / 66 cm 35" / 89 cm
10 28" / 71 cm 37" / 94 cm
12 30" / 76 cm 39" / 99 cm
14 32" / 81 cm 41" / 104 cm
16 34" / 86 cm 43" / 109 cm
18 36" / 91 cm 45" / 114 cm
20 38" / 97 cm 47" / 119 cm
22 40" / 102 cm 49" / 124 cm
24 42" / 107 cm 51" / 130 cm


School Tracksuit 

Size Approx. Height Approx. Waist
3–4 98–104 cm 20–21"
4–5 104–110 cm 21–22"
5–6 110–116 cm 22–23"
6–7 116–122 cm 23–24"
7–8 122–128 cm 23–24"
8–9 128–134 cm 24–25"
9–10 134–140 cm 25–26"
10–11 140–146 cm 26–27"
11–12 146–152 cm 27–28"
13–14 158–164 cm 28–30"
XS 164–170 cm 28–30"
S 170–176 cm 30–32"
M 176–182 cm 32–34"
L 182–188 cm 34–36"
XL 188 cm+ 36–38"

Suitable for: School tracksuits, PE tops and tracksuit bottoms.

Please note: Height and waist measurements are approximate and should be used as a sizing guide only. Fit may vary depending on the garment and child's build.

Boys' & Girls' School Shirt Fitting Guide

Approx. Age Boys' Collar Size Girls' Blouse Size
5-6 yrs 11" 24
6-7 yrs 11.5" 26
7-8 yrs 12" 28
9-10 yrs 12.5" 30
10-11 yrs 13" 32
12-13 yrs 13.5" 34
14-15 yrs 14" 36
Older / Adult 14.5" 38
Older / Adult 15"+ 40"+


Secondary School  Tracksuit Size Guide

Jerseys – Standard Fit

Size Chest (inch) Chest (cm)
10–11 36–37" 91–93.5 cm
11–12 38–39" 96–98.5 cm
Age 13 40–41" 101–103.5 cm
Small 43–44" 107–109.5 cm
Medium 44–45" 111–113.5 cm
Large 46–47" 115–117.5 cm
X-Large 47–48" 119–121.5 cm
2XL 49–50" 123–125.5 cm

 Unisex Top 

Size Chest (inch) Chest (cm) Waist (inch) Waist (cm)
10/11 31–32" 79–81 cm 26–27" 66–69 cm
13 34–36" 86–91 cm 28–29" 71–74 cm
XXS 34–35" 86–89 cm 28–29" 71–73.5 cm
XS 35–36" 89–91.5 cm 29–30" 73.5–76 cm
S 37–38" 94–96.5 cm 31–32" 78–81 cm
M 39–40" 99–101.5 cm 33–34" 83–86 cm
L 41–42" 104–107 cm 35–36" 88–91.5 cm
XL 43–44" 109–112 cm 38–40" 96.5–102 cm
2XL 45–46" 114–117 cm 42–44" 106.5–111 cm

Unisex – Inside Leg 

Size Regular (inch) Regular (cm) Skinny (inch) Skinny (cm)
10–11 26" — 9.5" —
Age 13 28" — 10.5" —
S 30–31" 78–80 cm 30–31" 76–79 cm
M 31–32" 79–81 cm 30–31" 77–79 cm
L 31–32" 79–81 cm 30–31" 77–79 cm
XL 31–32" 79–82 cm 31–32" 77–81 cm
2XL 31–32" 79–82 cm 31–32" 77–81 cm

Boys Jacket Size Chart

Size To Fit Chest (Inches) To Fit Chest (cm)
XXS 32–34" 81–86 cm
XS 35–36" 89–91.5 cm
S 37–38" 94–96.5 cm
M 39–40" 99–101.5 cm
L 41–42" 104–106.5 cm
XL 43–44" 109–112 cm
2XL 46–48" 117–122 cm

Girls Jacket Size Chart

Size UK Size EU Size ½ Chest Measurement
XS 8 34 54 cm
S 10 36 56 cm
M 12 38 58 cm
L 14 40 60 cm
XL 16 42 62 cm
2XL 18 44 64 cm

Sizing note: Men's measurements are body chest measurements, while the women's ½ chest is the garment measured flat from armpit to armpit.

You may also like