Wrist Mount (Standard Strap)Uses BOA dial-to-fit design which is strong, durable, and easy to use. Velcro free design uses nonabsorbent materials that can be wiped down. Includes Carrier, Comfort Pad (SGNGWT-CMPD-02) and Small/Medium size Wrist Strap (SG-NGWT-WSTPST01). White Dial and accent color on strap identify size as Standard (small/medium). Strap length can be adjusted between 128 to 191 mm (approx 5.0 to 7.5") It is typical for each user to have their own wrist mount (for hygiene). Improved design vs. SG-NGWTWRMTS-01 uses updated Comfort Pad (SG-NGWT-CMPD-02) which now includes ridges in the top surface that assists with alignment during installation and reduces the occurrence of slippage, especially in the presence of sweat.