Description
Designed to insulate, the OS Thermal Leggings features a 4-way stretch thermal fabric providing warmth and breathability. The interior grid structure enhances drying time while it's moisture wicking capabilities keep you dry and comfortable all day. Cut for full freedom of movement with elasticated waist, these leggings are ideal for wear all year round, worn under your waterproofs for sailing or for any activity around the water.
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.
Size Guide
Size Guide
Gill Size Chart
Mens / Unisex
|
|
XS | S | M | MT | L | XL | XLT | XXL | XXXL | XXXXL |
| Average Height (cm) | 5'2"-5'4" (158-163) | 5'4"-5'7" (163-170) | 5'7"-5'10" (170-178) | 6'2"-6'3" (188-191) | 5'10"-6'1" (178-186) | 6'1"-6'2" (186-188) | 6'3"-6'5" (193-197) | 6'2"-6'3" (188-191) | 6'2"-6'3" (188-191) | 6'2"-6'3" (188-191) |
| Chest (cm) | 34"-36" (87-92) | 36"-38" (92-97) | 38"-40" (97-102) | 38"-40" (97-102) | 41"-43" (104-109) | 44"-46" (112-119) | 44" -46" (112-119) | 47"-49" (120-125) | 50"-52" (127-132) | 55"-58" (140-148) |
| Waist (cm) | 28" (71) | 29"-30" (74-76) | 31"-33" (79-84) | 31"-33" (79-84) | 34"-37" (87-94) | 38"-40" (97-102) | 38"-40" (97-102) | 41"-43" (104-109) | 44"-45" (112-115) | 49"-52" (125-132) |
Women
|
UK USA EURO |
6 2 32 | 8 4 34 | 10 6 36 | 12 8 38 | 14 10 40 | 16 12 42 | 18 14 44 | 20 16 46 |
| Bust (cm) | 31" (79) | 33" (84) | 35" (89) | 37" (94) | 39" (99) | 41" (104) | 43" (109) | 45" (114) |
| Waist (cm) | 26" (66) | 28" (71) | 29" (74) | 31" (78) | 33" (83) | 35" (88) | 37" (93) | 39" (98) |
| Hips (cm) | 34" (87) | 36" (91) | 38" (96) | 40" (101) | 42" (106) | 44" (111) | 46" (116) | 48" (121) |
Junior
|
Size Age (Years) |
JXXXS | JXXS | JXS | JS | JM | JL | JXL |
| Height (cm) | 3'0"-3'21/2" (92-98) | 3'21/2"-3'5" (98-104) | 3'10"-4'0" (116-122) | 4'21/2"-4'5" (128-134) | 4'7"-4'91/2" (140-146) | 5'0"-5'2" (152-158) | 5'2"-5'4" (158-163) |
| Chest (cm) | 20"-21" (52-53) | 21"-23" (53-58) | 23.5"-24.5" (60-62) | 25"-26" (64-66) | 27"-28.5" (69-72) | 30"-32.5" (76-83) | 34"-36" (87-92) |
| Waist (cm) | 19"-19.5" (48.5-50) | 19.5"-20" (50-51) | 21.5"-22" (55-56) | 22.5"-23" (57-59) | 24"-25" (61-64) | 25"-27" (64-68) | 28" |
Trousers
|
|
28 | 30 | 32 | 34 | 36 | 38 | 40 |
| Waist (cm) | 28" (71) | 30" (76) | 32" (81) | 34" (87) | 36" (92) | 38" (97) | 40" (102) |
| Inside Leg (cm) | 29" (74) | 30" (76) | 31" (79) | 32" (81) | 32" (81) | 33" (84) | 33" (84) |
| Buoyancy Aid |
|
|
CHILD | YOUTH | S | M | L | XL | XXL |
| Chest (cm) | 80-85 | 85-90 | 90-95 | 95-105 | 105-115 | 115-125 | 125-135 |
| Weight (kg) | 30-40 | 35-45 | 40-60 | 60-70 | 70-100 | >70 | >70 |
| Buoyancy (N) | 35 | 35 | 45 | 45 | 50 | 50 | 50 |
Gloves
|
Men /Unisex |
XS | S | M | L | XL | XXL |
| Width Inches CM | 6.5" -7" | 7" - 7.5" | 7.5" - 8.5" | 8.5" - 9.5" | 9.5" - 10.5" | 10.5" - 11.5" |
| 16.5 - 17.5 cm | 17.5 - 19 cm | 19 - 21.5 cm | 21.4 - 24 cm | 24 - 26.5 cm | 26.5 - 29 cm | |
|
Junior |
CHILD | JUNIOR | ||||
| Width Inches CM | 6" | 6" - 6.5" | ||||
| 15 cm | 15 - 16.5 cm |
Footwear & Socks
| Footwear | ||||
|
Euro |
UK and Australia | US Men | US Women | Socks |
| 33 | 1 | 1 | 3 | - |
| 34 | 2 | 2.5 | 4 | - |
| 35 | 2.5-3 | 3 | 5 | S |
| 36 | 3.5 | 4 | 6 | S |
| 37 | 4 | 5 | 7 | S |
| 38 | 5 | 6 | 8 | S |
| 39 | 5.5 | 7 | 9 | M |
| 40 | 6.5 | 7.5 | 9.5 | M |
| 41 | 7.5 | 8 | 10 | M |
| 42 | 8 | 9 | 11 | M |
| 43 | 9 | 10 | 12 | L |
| 44 | 9.5 | 10.5 | - | L |
| 45 | 10.5 | 11 | - | L |
| 46 | 11 | 12 | - | L |
| 47 | 12 | 13 | - | L |
| 48 | 13 | 14 | - | L |
| 49 | 14 | 15 | - | L |
| Manufactured in Euro sizes |