Vortexgenerating surface texture lowers aerodynamic drag coefficient by 22%.

The Womens Summit Series FUTUREFLEECE Hybrid Jacket combines a high warmth-to-weight ratio fabric with perforated synthetic Ventrix insulation for dynamic venting. Engineered for mobility, this lightweight layer is designed with raglan sleeves and flat-locked stitching to keep you comfortable as you push your limits.

• 25 G Ventrix Stretch Synthetic Insulation In Front Body; Perforated For Dynamic Venting
  
• Clean-Finish Front Hem With Flat-Sewn-Elastic Back Hem
  
• Flat-Locked Stitching In Key Zones For Next-To-Skin Comfort
  
• Flat-Sewn Elastic Cuffs With Integrated Thumb Loops
  
• Futurefleece Lt Features Lower-Pile Full-Loop Construction And Octa-Yarns To Provide An Optimal Warmth-To-Weight Ratio
  
• No Shoulder Seams For Added Comfort And Reduced Bulk While YouRe Wearing A Pack
  
• Raglan Sleeves And Stretch Underarm Gussets For Increased Mobility
  
• Reverse-Coil, #3 Center Front Zip
  
• Secure-Zip Chest Pocket With Internal Media Pouch
  
• Slim Fit
  
• Body: 100 G/M FUTUREFLEECE LT63% Polyester, 37% Recycled Polyester
  
• Front Panel: 20D 91 G/M 88% Nylon, 12% Elastane Plain Weave With FlashDry And Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish
  
• Insulation: 25 G Ventrix 85% Recycled Polyester, 15% Polyester Stretch Insulation In Front Body

Anisotropic materials flex easier in primary directions