The SynJammer swimskin is a highly advanced swim jammer made from hydrophobic fabrics with welded seams. It reduces surface drag and muscle vibration to increases performance. The result is a swim jammer that has set the standard for triathlon and open water swimmers in the era of textile regulations. The SynJammer is used by the world”s fastest triathletes and open water swimmers. The SynJammer is made from the highest, legal grade AquaPhobic textile and has been approved by ITU, WTC and FINA. Please refer to the size chart image on the upper left side of your screen.
Men's Swimskin Syn Jammer

Size Guide
Men's Swimskin Size Chart
Use height and weight to choose a close, low-drag Synskin fit.
| Size | Height | Weight (lb) |
|---|---|---|
| XS | 5'1"-5'6" | 135-145 lb |
| S | 5'4"-5'9" | 145-155 lb |
| M | 5'7"-6'1" | 155-165 lb |
| L | 5'11"-6'4" | 165-175 lb |
| XL | 6'1"-6'7" | 175-195 lb |
| 2XL | 6'1"-6'7" | 195-205 lb |
| Size | Height (cm) | Weight (kg) |
|---|---|---|
| XS | 155-167 cm | 61-65 kg |
| S | 162-175 cm | 65-70 kg |
| M | 170-186 cm | 70-74 kg |
| L | 180-193 cm | 74-79 kg |
| XL | 185-201 cm | 79-88 kg |
| 2XL | 185-201 cm | 88-93 kg |
Swimskin Fit Notes
This garment is designed to fit snug and close to the body. If your measurements fall between two sizes, choose the smaller size for a race fit or the larger size for a more comfortable fit.