Engineered for the dedicated grappler, the OSS rash guard is designed to withstand the toughest training sessions. Crafted from moisture-wicking recycled fabric, it keeps you cool and dry while offering a flexible fit that ensures unrestricted movement on the mat. With reinforced flatlock seams, it provides outstanding durability and a smooth, chafe-free feel even during the most intense rolls. Featuring a clean, modern design and bold "OSS" branding, this rash guard is more than just gear—it’s a reflection of your commitment to the grind. Whether you're drilling or battling for submissions, stay focused and relentless in OSS.
• 88% recycled polyester, 12% elastane (in the EU)
• 81% recycled polyester, 19% spandex (Lycra) (in the US)
• Fabric weight: 6.78 oz./yd.² (230 g/m²) (in the EU)
• Fabric weight: 7.52 oz./yd.² (255g/m²) (in the US/MX)
• Soft, stretchy, comfortable, moisture-wicking fabric
• Fitted cut
• UPF 50+ protection
• Premium quality
• Fabric is OEKO-TEX 100 standard and Global Recycled Standard (GRS) certified
Size guide
| |
CHEST (inches) |
WAIST (inches) |
HIPS (inches) |
| 2XS |
34 ⅝ |
28 ⅜ |
35 ⅜ |
| XS |
36 ¼ |
29 ⅞ |
37 |
| S |
37 ¾ |
31 ½ |
38 ⅝ |
| M |
39 ⅜ |
33 ⅛ |
40 ⅛ |
| L |
42 ½ |
36 ¼ |
43 ¼ |
| XL |
45 ⅝ |
39 ⅜ |
46 ½ |
| 2XL |
48 ⅞ |
42 ½ |
49 ⅝ |
| 3XL |
52 |
45 ⅝ |
52 ¾ |
| 4XL |
55 ⅛ |
48 ⅞ |
55 ⅞ |
| 5XL |
58 ¼ |
52 |
59 |
| 6XL |
61 ⅜ |
55 ⅛ |
62 ¼ |
