SiS - GO Isotonic Energy Gels
34 in stock
Every brand fits a little differently. Use the official size guides below, or stop by Pace House to try things on. We're happy to help you find the right fit: 2452 Sutherland Ave., Knoxville · Mon–Sat 10am–6pm · 865-851-7874.
Apparel size guides
- rabbit: rabbit size chart
- Janji: Women's fit guide · Men's fit guide
- lululemon: Women's size guide · Men's size guide
- Oiselle: Sports bra sizing guide. For other styles, see the size chart on each product at oiselle.com.
- Vuori: see the size guide on each product at vuori.com.
Other brands
For The Long Run (TLR), Bound Running Co., and our other brands, give us a call or come by the shop. We'll help you size up in person.
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The world’s first fast-absorbing, easy-to-digest isotonic gel by Science in Sport - SiS.
Contains 22g of carbohydrates and designed for versatile fueling, whether for endurance or intensity, this clean energy source helps you keep your pace, push through fatigue, and finish strong.
Shipping & Returns
Shipping & Returns
Free shipping on U.S. orders $150+. Prefer to shop local? Visit us at Pace House, 2452 Sutherland Ave., Knoxville.
See our refund policy for returns and exchanges.
